23404322031 has 4 divisors (see below), whose sum is σ = 31205762712. Its totient is φ = 15602881352.

The previous prime is 23404322021. The next prime is 23404322033. The reversal of 23404322031 is 13022340432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23404322031 - 2⁹ = 23404321519 is a prime.

It is a super-2 number, since 2×23404322031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23404321992 and 23404322010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23404322033) 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 3 ways as a sum of consecutive naturals, for example, 3900720336 + ... + 3900720341.

It is an arithmetic number, because the mean of its divisors is an integer number (7801440678).

Almost surely, 2^23404322031 is an apocalyptic number.

23404322031 is a deficient number, since it is larger than the sum of its proper divisors (7801440681).

23404322031 is an equidigital number, since it uses as much as digits as its factorization.

23404322031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7801440680.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 23404322031 its reverse (13022340432), we get a palindrome (36426662463).

The spelling of 23404322031 in words is "twenty-three billion, four hundred four million, three hundred twenty-two thousand, thirty-one".