23137834537 has 2 divisors, whose sum is σ = 23137834538. Its totient is φ = 23137834536.

The previous prime is 23137834519. The next prime is 23137834549. The reversal of 23137834537 is 73543873132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22674035241 + 463799296 = 150579^2 + 21536^2 .

It is a cyclic number.

It is not a de Polignac number, because 23137834537 - 2²⁷ = 23003616809 is a prime.

It is not a weakly prime, because it can be changed into another prime (23137034537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11568917268 + 11568917269.

It is an arithmetic number, because the mean of its divisors is an integer number (11568917269).

Almost surely, 2^23137834537 is an apocalyptic number.

It is an amenable number.

23137834537 is a deficient number, since it is larger than the sum of its proper divisors (1).

23137834537 is an equidigital number, since it uses as much as digits as its factorization.

23137834537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 46.

The spelling of 23137834537 in words is "twenty-three billion, one hundred thirty-seven million, eight hundred thirty-four thousand, five hundred thirty-seven".