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23404223332 = 2271943992901
BaseRepresentation
bin10101110011000000…
…000001101101100100
32020102002011201202101
4111303000001231210
5340412440121312
614430213421444
71455656421160
oct256300015544
966362151671
1023404223332
119a2008a436
12465203a884
13228ca4bb79
1411c0471ca0
1591ea59a57
hex573001b64

23404223332 has 24 divisors (see below), whose sum is σ = 49272050240. Its totient is φ = 9502466400.

The previous prime is 23404223279. The next prime is 23404223333. The reversal of 23404223332 is 23332240432.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 23404223332.

It is not an unprimeable number, because it can be changed into a prime (23404223333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21995919 + ... + 21996982.

Almost surely, 223404223332 is an apocalyptic number.

It is an amenable number.

23404223332 is an abundant number, since it is smaller than the sum of its proper divisors (25867826908).

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

23404223332 is a wasteful number, since it uses less digits than its factorization.

23404223332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43992931 (or 43992929 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 23404223332 its reverse (23332240432), we get a palindrome (46736463764).

The spelling of 23404223332 in words is "twenty-three billion, four hundred four million, two hundred twenty-three thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 43992901 87985802 175971604 307950307 615900614 835865119 1231801228 1671730238 3343460476 5851055833 11702111666 23404223332