23737048537 has 2 divisors, whose sum is σ = 23737048538. Its totient is φ = 23737048536.

The previous prime is 23737048513. The next prime is 23737048553. The reversal of 23737048537 is 73584073732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22411287616 + 1325760921 = 149704^2 + 36411^2 .

It is a cyclic number.

It is not a de Polignac number, because 23737048537 - 2¹⁹ = 23736524249 is a prime.

It is not a weakly prime, because it can be changed into another prime (23737048567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11868524268 + 11868524269.

It is an arithmetic number, because the mean of its divisors is an integer number (11868524269).

Almost surely, 2^23737048537 is an apocalyptic number.

It is an amenable number.

23737048537 is a deficient number, since it is larger than the sum of its proper divisors (1).

23737048537 is an equidigital number, since it uses as much as digits as its factorization.

23737048537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2963520, while the sum is 49.

The spelling of 23737048537 in words is "twenty-three billion, seven hundred thirty-seven million, forty-eight thousand, five hundred thirty-seven".