23675638529 has 2 divisors, whose sum is σ = 23675638530. Its totient is φ = 23675638528.

The previous prime is 23675638453. The next prime is 23675638549. The reversal of 23675638529 is 92583657632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21180436225 + 2495202304 = 145535^2 + 49952^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23675638529 is a prime.

It is not a weakly prime, because it can be changed into another prime (23675638549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11837819264 + 11837819265.

It is an arithmetic number, because the mean of its divisors is an integer number (11837819265).

Almost surely, 2^23675638529 is an apocalyptic number.

It is an amenable number.

23675638529 is a deficient number, since it is larger than the sum of its proper divisors (1).

23675638529 is an equidigital number, since it uses as much as digits as its factorization.

23675638529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16329600, while the sum is 56.

The spelling of 23675638529 in words is "twenty-three billion, six hundred seventy-five million, six hundred thirty-eight thousand, five hundred twenty-nine".