23737048513 has 2 divisors, whose sum is σ = 23737048514. Its totient is φ = 23737048512.

The previous prime is 23737048493. The next prime is 23737048537. The reversal of 23737048513 is 31584073732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12701966209 + 11035082304 = 112703^2 + 105048^2 .

It is a cyclic number.

It is not a de Polignac number, because 23737048513 - 2⁵ = 23737048481 is a prime.

It is a super-2 number, since 2×23737048513² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23737048513.

It is not a weakly prime, because it can be changed into another prime (23737048553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11868524256 + 11868524257.

It is an arithmetic number, because the mean of its divisors is an integer number (11868524257).

Almost surely, 2^23737048513 is an apocalyptic number.

It is an amenable number.

23737048513 is a deficient number, since it is larger than the sum of its proper divisors (1).

23737048513 is an equidigital number, since it uses as much as digits as its factorization.

23737048513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 23737048513 in words is "twenty-three billion, seven hundred thirty-seven million, forty-eight thousand, five hundred thirteen".