23355677537 has 2 divisors, whose sum is σ = 23355677538. Its totient is φ = 23355677536.

The previous prime is 23355677503. The next prime is 23355677549. The reversal of 23355677537 is 73577655332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13132243216 + 10223434321 = 114596^2 + 101111^2 .

It is a cyclic number.

It is not a de Polignac number, because 23355677537 - 2¹² = 23355673441 is a prime.

It is not a weakly prime, because it can be changed into another prime (23355679537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11677838768 + 11677838769.

It is an arithmetic number, because the mean of its divisors is an integer number (11677838769).

Almost surely, 2^23355677537 is an apocalyptic number.

It is an amenable number.

23355677537 is a deficient number, since it is larger than the sum of its proper divisors (1).

23355677537 is an equidigital number, since it uses as much as digits as its factorization.

23355677537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13891500, while the sum is 53.

The spelling of 23355677537 in words is "twenty-three billion, three hundred fifty-five million, six hundred seventy-seven thousand, five hundred thirty-seven".