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1323300421 = 29426110709
BaseRepresentation
bin100111011011111…
…1111011001000101
310102020000121220201
41032313333121011
510202231103141
6335150530501
744535603502
oct11667773105
93366017821
101323300421
11619a72213
1230b206a31
13181205701
14c7a684a9
157b294031
hex4edff645

1323300421 has 8 divisors (see below), whose sum is σ = 1369380600. Its totient is φ = 1277250240.

The previous prime is 1323300413. The next prime is 1323300427. The reversal of 1323300421 is 1240033231.

It can be written as a sum of positive squares in 4 ways, for example, as 938748321 + 384552100 = 30639^2 + 19610^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1323300421 - 23 = 1323300413 is a prime.

It is a super-2 number, since 2×13233004212 = 3502248008437554482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323300427) 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, 118215 + ... + 128923.

It is an arithmetic number, because the mean of its divisors is an integer number (171172575).

Almost surely, 21323300421 is an apocalyptic number.

It is an amenable number.

1323300421 is a deficient number, since it is larger than the sum of its proper divisors (46080179).

1323300421 is a wasteful number, since it uses less digits than its factorization.

1323300421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14999.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1323300421 is about 36377.1964422769. The cubic root of 1323300421 is about 1097.8748006169.

Adding to 1323300421 its reverse (1240033231), we get a palindrome (2563333652).

The spelling of 1323300421 in words is "one billion, three hundred twenty-three million, three hundred thousand, four hundred twenty-one".

Divisors: 1 29 4261 10709 123569 310561 45631049 1323300421