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423231443130 = 235179191412639
BaseRepresentation
bin1100010100010101000…
…11110101000010111010
31111110102201121221212110
412022022203311002322
523413234222140010
6522232502353150
742402032623626
oct6121243650272
91443381557773
10423231443130
11153545130481
126a03742b7b6
1330bab6435b2
14166ad6da186
15b0211c4120
hex628a8f50ba

423231443130 has 64 divisors (see below), whose sum is σ = 1026780364800. Its totient is φ = 111643337280.

The previous prime is 423231443099. The next prime is 423231443197. The reversal of 423231443130 is 31344132324.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 819351 + ... + 1231989.

It is an arithmetic number, because the mean of its divisors is an integer number (16043443200).

Almost surely, 2423231443130 is an apocalyptic number.

423231443130 is an abundant number, since it is smaller than the sum of its proper divisors (603548921670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423231443130 is a wasteful number, since it uses less digits than its factorization.

423231443130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413019.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 423231443130 its reverse (31344132324), we get a palindrome (454575575454).

The spelling of 423231443130 in words is "four hundred twenty-three billion, two hundred thirty-one million, four hundred forty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 179 191 358 382 537 573 895 955 1074 1146 1790 1910 2685 2865 5370 5730 34189 68378 102567 170945 205134 341890 412639 512835 825278 1025670 1237917 2063195 2475834 4126390 6189585 12379170 73862381 78814049 147724762 157628098 221587143 236442147 369311905 394070245 443174286 472884294 738623810 788140490 1107935715 1182210735 2215871430 2364421470 14107714771 28215429542 42323144313 70538573855 84646288626 141077147710 211615721565 423231443130