23540520572 has 6 divisors (see below), whose sum is σ = 41195911008. Its totient is φ = 11770260284.

The previous prime is 23540520571. The next prime is 23540520593. The reversal of 23540520572 is 27502504532.

It is a super-2 number, since 2×23540520572² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23540520571) 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 as a sum of consecutive naturals, namely, 2942565068 + ... + 2942565075.

It is an arithmetic number, because the mean of its divisors is an integer number (6865985168).

Almost surely, 2^23540520572 is an apocalyptic number.

It is an amenable number.

23540520572 is a deficient number, since it is larger than the sum of its proper divisors (17655390436).

23540520572 is a wasteful number, since it uses less digits than its factorization.

23540520572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5885130147 (or 5885130145 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 35.

The spelling of 23540520572 in words is "twenty-three billion, five hundred forty million, five hundred twenty thousand, five hundred seventy-two".