23043510520 has 32 divisors (see below), whose sum is σ = 51937808400. Its totient is φ = 9201420288.

The previous prime is 23043510473. The next prime is 23043510521. The reversal of 23043510520 is 2501534032.

It is a super-3 number, since 3×23043510520³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23043510521) 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, 476130 + ... + 522289.

Almost surely, 2^23043510520 is an apocalyptic number.

23043510520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23043510520 is an abundant number, since it is smaller than the sum of its proper divisors (28894297880).

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

23043510520 is a wasteful number, since it uses less digits than its factorization.

23043510520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999007 (or 999003 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The spelling of 23043510520 in words is "twenty-three billion, forty-three million, five hundred ten thousand, five hundred twenty".