23040515535 has 16 divisors (see below), whose sum is σ = 38467643904. Its totient is φ = 11754001952.

The previous prime is 23040515521. The next prime is 23040515551. The reversal of 23040515535 is 53551504032.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23040515535 - 2⁵ = 23040515503 is a prime.

It is a super-2 number, since 2×23040515535² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23040515496 and 23040515505.

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, 33391707 + ... + 33392396.

It is an arithmetic number, because the mean of its divisors is an integer number (2404227744).

Almost surely, 2^23040515535 is an apocalyptic number.

23040515535 is a deficient number, since it is larger than the sum of its proper divisors (15427128369).

23040515535 is a wasteful number, since it uses less digits than its factorization.

23040515535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66784134.

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 23040515535 in words is "twenty-three billion, forty million, five hundred fifteen thousand, five hundred thirty-five".