23422037 has 2 divisors, whose sum is σ = 23422038. Its totient is φ = 23422036.

The previous prime is 23422033. The next prime is 23422043. The reversal of 23422037 is 73022432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22714756 + 707281 = 4766^2 + 841^2 .

It is a cyclic number.

It is not a de Polignac number, because 23422037 - 2² = 23422033 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23422031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11711018 + 11711019.

It is an arithmetic number, because the mean of its divisors is an integer number (11711019).

Almost surely, 2^23422037 is an apocalyptic number.

It is an amenable number.

23422037 is a deficient number, since it is larger than the sum of its proper divisors (1).

23422037 is an equidigital number, since it uses as much as digits as its factorization.

23422037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 23422037 is about 4839.6319074905. The cubic root of 23422037 is about 286.1156109122.

Adding to 23422037 its reverse (73022432), we get a palindrome (96444469).

The spelling of 23422037 in words is "twenty-three million, four hundred twenty-two thousand, thirty-seven".