23455230040 has 64 divisors (see below), whose sum is σ = 58130991360. Its totient is φ = 8446350720.

The previous prime is 23455230023. The next prime is 23455230059. The reversal of 23455230040 is 4003255432.

It is a junction number, because it is equal to n+sod(n) for n = 23455229990 and 23455230008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213454 + ... + 304093.

It is an arithmetic number, because the mean of its divisors is an integer number (908296740).

Almost surely, 2^23455230040 is an apocalyptic number.

23455230040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23455230040 is an abundant number, since it is smaller than the sum of its proper divisors (34675761320).

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

23455230040 is a wasteful number, since it uses less digits than its factorization.

23455230040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517672 (or 517668 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 23455230040 its reverse (4003255432), we get a palindrome (27458485472).

The spelling of 23455230040 in words is "twenty-three billion, four hundred fifty-five million, two hundred thirty thousand, forty".