23051245321 has 16 divisors (see below), whose sum is σ = 25308294480. Its totient is φ = 20863814400.

The previous prime is 23051245313. The next prime is 23051245331. The reversal of 23051245321 is 12354215032.

It can be written as a sum of positive squares in 8 ways, for example, as 4665600 + 23046579721 = 2160^2 + 151811^2 .

It is not a de Polignac number, because 23051245321 - 2³ = 23051245313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23051245321.

It is not an unprimeable number, because it can be changed into a prime (23051245331) 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, 1223271 + ... + 1241971.

It is an arithmetic number, because the mean of its divisors is an integer number (1581768405).

Almost surely, 2^23051245321 is an apocalyptic number.

It is an amenable number.

23051245321 is a deficient number, since it is larger than the sum of its proper divisors (2257049159).

23051245321 is a wasteful number, since it uses less digits than its factorization.

23051245321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20556.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 23051245321 in words is "twenty-three billion, fifty-one million, two hundred forty-five thousand, three hundred twenty-one".