23491279675 has 12 divisors (see below), whose sum is σ = 29280121240. Its totient is φ = 18695646720.

The previous prime is 23491279673. The next prime is 23491279723. The reversal of 23491279675 is 57697219432.

It is not a de Polignac number, because 23491279675 - 2¹ = 23491279673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23491279673) 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 11 ways as a sum of consecutive naturals, for example, 2429505 + ... + 2439154.

Almost surely, 2^23491279675 is an apocalyptic number.

23491279675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23491279675 is a deficient number, since it is larger than the sum of its proper divisors (5788841565).

23491279675 is a wasteful number, since it uses less digits than its factorization.

23491279675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4868862 (or 4868857 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 55.

The spelling of 23491279675 in words is "twenty-three billion, four hundred ninety-one million, two hundred seventy-nine thousand, six hundred seventy-five".