23031937 has 2 divisors, whose sum is σ = 23031938. Its totient is φ = 23031936.

The previous prime is 23031929. The next prime is 23031941. The reversal of 23031937 is 73913032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22667121 + 364816 = 4761^2 + 604^2 .

It is a cyclic number.

It is not a de Polignac number, because 23031937 - 2³ = 23031929 is a prime.

It is not a weakly prime, because it can be changed into another prime (23031907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515968 + 11515969.

It is an arithmetic number, because the mean of its divisors is an integer number (11515969).

Almost surely, 2^23031937 is an apocalyptic number.

It is an amenable number.

23031937 is a deficient number, since it is larger than the sum of its proper divisors (1).

23031937 is an equidigital number, since it uses as much as digits as its factorization.

23031937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 23031937 is about 4799.1600306720. The cubic root of 23031937 is about 284.5182669323.

Adding to 23031937 its reverse (73913032), we get a palindrome (96944969).

The spelling of 23031937 in words is "twenty-three million, thirty-one thousand, nine hundred thirty-seven".