32313221923 has 2 divisors, whose sum is σ = 32313221924. Its totient is φ = 32313221922.

The previous prime is 32313221909. The next prime is 32313221959. The reversal of 32313221923 is 32912231323.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32313221923 is a prime.

It is a super-2 number, since 2×32313221923² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32313921923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16156610961 + 16156610962.

It is an arithmetic number, because the mean of its divisors is an integer number (16156610962).

Almost surely, 2^32313221923 is an apocalyptic number.

32313221923 is a deficient number, since it is larger than the sum of its proper divisors (1).

32313221923 is an equidigital number, since it uses as much as digits as its factorization.

32313221923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 31.

The spelling of 32313221923 in words is "thirty-two billion, three hundred thirteen million, two hundred twenty-one thousand, nine hundred twenty-three".