23512552689 has 16 divisors (see below), whose sum is σ = 32349995840. Its totient is φ = 15179088960.

The previous prime is 23512552621. The next prime is 23512552711. The reversal of 23512552689 is 98625521532.

It is not a de Polignac number, because 23512552689 - 2⁷ = 23512552561 is a prime.

It is a super-2 number, since 2×23512552689² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23512552489) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 478534 + ... + 525375.

It is an arithmetic number, because the mean of its divisors is an integer number (2021874740).

Almost surely, 2^23512552689 is an apocalyptic number.

It is an amenable number.

23512552689 is a deficient number, since it is larger than the sum of its proper divisors (8837443151).

23512552689 is a wasteful number, since it uses less digits than its factorization.

23512552689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004160.

The product of its digits is 1296000, while the sum is 48.

It can be divided in two parts, 23512 and 552689, that added together give a triangular number (576201 = T₁₀₇₃).

The spelling of 23512552689 in words is "twenty-three billion, five hundred twelve million, five hundred fifty-two thousand, six hundred eighty-nine".