23138057 has 2 divisors, whose sum is σ = 23138058. Its totient is φ = 23138056.

The previous prime is 23138047. The next prime is 23138081. The reversal of 23138057 is 75083132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17397241 + 5740816 = 4171^2 + 2396^2 .

It is a cyclic number.

It is not a de Polignac number, because 23138057 - 2⁴ = 23138041 is a prime.

It is not a weakly prime, because it can be changed into another prime (23138047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11569028 + 11569029.

It is an arithmetic number, because the mean of its divisors is an integer number (11569029).

Almost surely, 2^23138057 is an apocalyptic number.

It is an amenable number.

23138057 is a deficient number, since it is larger than the sum of its proper divisors (1).

23138057 is an equidigital number, since it uses as much as digits as its factorization.

23138057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 23138057 is about 4810.2034260518. The cubic root of 23138057 is about 284.9545716040.

The spelling of 23138057 in words is "twenty-three million, one hundred thirty-eight thousand, fifty-seven".