32551431099923 has 2 divisors, whose sum is σ = 32551431099924. Its totient is φ = 32551431099922.

The previous prime is 32551431099907. The next prime is 32551431100043. The reversal of 32551431099923 is 32999013415523.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32551431099923 - 2⁴ = 32551431099907 is a prime.

It is a super-2 number, since 2×32551431099923² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (32551431090923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16275715549961 + 16275715549962.

It is an arithmetic number, because the mean of its divisors is an integer number (16275715549962).

Almost surely, 2^{32551431099923} is an apocalyptic number.

32551431099923 is a deficient number, since it is larger than the sum of its proper divisors (1).

32551431099923 is an equidigital number, since it uses as much as digits as its factorization.

32551431099923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7873200, while the sum is 56.

The spelling of 32551431099923 in words is "thirty-two trillion, five hundred fifty-one billion, four hundred thirty-one million, ninety-nine thousand, nine hundred twenty-three".