23455240356 has 12 divisors (see below), whose sum is σ = 54728894192. Its totient is φ = 7818413448.

The previous prime is 23455240351. The next prime is 23455240363. The reversal of 23455240356 is 65304255432.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (23455240351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 977301670 + ... + 977301693.

Almost surely, 2^23455240356 is an apocalyptic number.

It is an amenable number.

23455240356 is an abundant number, since it is smaller than the sum of its proper divisors (31273653836).

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

23455240356 is a wasteful number, since it uses less digits than its factorization.

23455240356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954603370 (or 1954603368 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 23455240356 its reverse (65304255432), we get a palindrome (88759495788).

The spelling of 23455240356 in words is "twenty-three billion, four hundred fifty-five million, two hundred forty thousand, three hundred fifty-six".