23204321431 has 2 divisors, whose sum is σ = 23204321432. Its totient is φ = 23204321430.

The previous prime is 23204321333. The next prime is 23204321467. The reversal of 23204321431 is 13412340232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23204321431 - 2¹³ = 23204313239 is a prime.

It is a super-2 number, since 2×23204321431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23204321396 and 23204321405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23204321131) 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 as a sum of consecutive naturals, namely, 11602160715 + 11602160716.

It is an arithmetic number, because the mean of its divisors is an integer number (11602160716).

Almost surely, 2^23204321431 is an apocalyptic number.

23204321431 is a deficient number, since it is larger than the sum of its proper divisors (1).

23204321431 is an equidigital number, since it uses as much as digits as its factorization.

23204321431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 23204321431 its reverse (13412340232), we get a palindrome (36616661663).

The spelling of 23204321431 in words is "twenty-three billion, two hundred four million, three hundred twenty-one thousand, four hundred thirty-one".