23133510518737 has 2 divisors, whose sum is σ = 23133510518738. Its totient is φ = 23133510518736.

The previous prime is 23133510518623. The next prime is 23133510518753. The reversal of 23133510518737 is 73781501533132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21817204050321 + 1316306468416 = 4670889^2 + 1147304^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23133510518737 is a prime.

It is not a weakly prime, because it can be changed into another prime (23133520518737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11566755259368 + 11566755259369.

It is an arithmetic number, because the mean of its divisors is an integer number (11566755259369).

Almost surely, 2^{23133510518737} is an apocalyptic number.

It is an amenable number.

23133510518737 is a deficient number, since it is larger than the sum of its proper divisors (1).

23133510518737 is an equidigital number, since it uses as much as digits as its factorization.

23133510518737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 23133510518737 in words is "twenty-three trillion, one hundred thirty-three billion, five hundred ten million, five hundred eighteen thousand, seven hundred thirty-seven".