23534514040 has 32 divisors (see below), whose sum is σ = 54184117680. Its totient is φ = 9194879232.

The previous prime is 23534514037. The next prime is 23534514061. The reversal of 23534514040 is 4041543532.

It is a junction number, because it is equal to n+sod(n) for n = 23534513993 and 23534514011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6839709 + ... + 6843148.

Almost surely, 2^23534514040 is an apocalyptic number.

23534514040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23534514040 is an abundant number, since it is smaller than the sum of its proper divisors (30649603640).

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

23534514040 is a wasteful number, since it uses less digits than its factorization.

23534514040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13682911 (or 13682907 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 23534514040 in words is "twenty-three billion, five hundred thirty-four million, five hundred fourteen thousand, forty".