23530551445 has 16 divisors (see below), whose sum is σ = 30387773808. Its totient is φ = 17426672640.

The previous prime is 23530551439. The next prime is 23530551493. The reversal of 23530551445 is 54415503532.

It can be written as a sum of positive squares in 8 ways, for example, as 4197873681 + 19332677764 = 64791^2 + 139042^2 .

It is not a de Polignac number, because 23530551445 - 2²⁹ = 22993680533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 2263914 + ... + 2274283.

It is an arithmetic number, because the mean of its divisors is an integer number (1899235863).

Almost surely, 2^23530551445 is an apocalyptic number.

It is an amenable number.

23530551445 is a deficient number, since it is larger than the sum of its proper divisors (6857222363).

23530551445 is a wasteful number, since it uses less digits than its factorization.

23530551445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4538280.

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 23530551445 in words is "twenty-three billion, five hundred thirty million, five hundred fifty-one thousand, four hundred forty-five".