23011522530 has 16 divisors (see below), whose sum is σ = 55227654144. Its totient is φ = 6136406000.

The previous prime is 23011522511. The next prime is 23011522531. The reversal of 23011522530 is 3522511032.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23011522530.

It is not an unprimeable number, because it can be changed into a prime (23011522531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383525346 + ... + 383525405.

It is an arithmetic number, because the mean of its divisors is an integer number (3451728384).

Almost surely, 2^23011522530 is an apocalyptic number.

23011522530 is an abundant number, since it is smaller than the sum of its proper divisors (32216131614).

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

23011522530 is a wasteful number, since it uses less digits than its factorization.

23011522530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767050761.

The product of its (nonzero) digits is 1800, while the sum is 24.

The spelling of 23011522530 in words is "twenty-three billion, eleven million, five hundred twenty-two thousand, five hundred thirty".