23422013 has 2 divisors, whose sum is σ = 23422014. Its totient is φ = 23422012.

The previous prime is 23421989. The next prime is 23422031. The reversal of 23422013 is 31022432.

Together with next prime (23422031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17081689 + 6340324 = 4133^2 + 2518^2 .

It is a cyclic number.

It is not a de Polignac number, because 23422013 - 2¹² = 23417917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23421982 and 23422000.

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, 11711006 + 11711007.

It is an arithmetic number, because the mean of its divisors is an integer number (11711007).

Almost surely, 2^23422013 is an apocalyptic number.

It is an amenable number.

23422013 is a deficient number, since it is larger than the sum of its proper divisors (1).

23422013 is an equidigital number, since it uses as much as digits as its factorization.

23422013 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 23422013 is about 4839.6294279624. The cubic root of 23422013 is about 286.1155131869.

Adding to 23422013 its reverse (31022432), we get a palindrome (54444445).

The spelling of 23422013 in words is "twenty-three million, four hundred twenty-two thousand, thirteen".