23422031 has 2 divisors, whose sum is σ = 23422032. Its totient is φ = 23422030.

The previous prime is 23422013. The next prime is 23422033. The reversal of 23422031 is 13022432.

Together with previous prime (23422013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23422031 is a prime.

It is a super-2 number, since 2×23422031² = 1097183072329922, which contains 22 as substring.

Together with 23422033, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1473101 and since 23422031 and 1473101 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23422033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11711015 + 11711016.

It is an arithmetic number, because the mean of its divisors is an integer number (11711016).

Almost surely, 2^23422031 is an apocalyptic number.

23422031 is a deficient number, since it is larger than the sum of its proper divisors (1).

23422031 is an equidigital number, since it uses as much as digits as its factorization.

23422031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 23422031 is about 4839.6312876086. The cubic root of 23422031 is about 286.1155864809.

Adding to 23422031 its reverse (13022432), we get a palindrome (36444463).

The spelling of 23422031 in words is "twenty-three million, four hundred twenty-two thousand, thirty-one".