23645652487 has 2 divisors, whose sum is σ = 23645652488. Its totient is φ = 23645652486.

The previous prime is 23645652479. The next prime is 23645652491. The reversal of 23645652487 is 78425654632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23645652487 - 2³ = 23645652479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23645650487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11822826243 + 11822826244.

It is an arithmetic number, because the mean of its divisors is an integer number (11822826244).

Almost surely, 2^23645652487 is an apocalyptic number.

23645652487 is a deficient number, since it is larger than the sum of its proper divisors (1).

23645652487 is an equidigital number, since it uses as much as digits as its factorization.

23645652487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9676800, while the sum is 52.

The spelling of 23645652487 in words is "twenty-three billion, six hundred forty-five million, six hundred fifty-two thousand, four hundred eighty-seven".