23319489681 has 32 divisors (see below), whose sum is σ = 35816538240. Its totient is φ = 14984352000.

The previous prime is 23319489671. The next prime is 23319489689. The reversal of 23319489681 is 18698491332.

It is not a de Polignac number, because 23319489681 - 2¹⁴ = 23319473297 is a prime.

It is a super-2 number, since 2×23319489681² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23319489689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35020 + ... + 218781.

It is an arithmetic number, because the mean of its divisors is an integer number (1119266820).

Almost surely, 2^23319489681 is an apocalyptic number.

It is an amenable number.

23319489681 is a deficient number, since it is larger than the sum of its proper divisors (12497048559).

23319489681 is a wasteful number, since it uses less digits than its factorization.

23319489681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253934 (or 253928 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The spelling of 23319489681 in words is "twenty-three billion, three hundred nineteen million, four hundred eighty-nine thousand, six hundred eighty-one".