23444137 has 2 divisors, whose sum is σ = 23444138. Its totient is φ = 23444136.

The previous prime is 23444131. The next prime is 23444143. The reversal of 23444137 is 73144432.

It is a balanced prime because it is at equal distance from previous prime (23444131) and next prime (23444143).

It can be written as a sum of positive squares in only one way, i.e., 22553001 + 891136 = 4749^2 + 944^2 .

It is a cyclic number.

It is not a de Polignac number, because 23444137 - 2⁷ = 23444009 is a prime.

It is not a weakly prime, because it can be changed into another prime (23444131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11722068 + 11722069.

It is an arithmetic number, because the mean of its divisors is an integer number (11722069).

Almost surely, 2^23444137 is an apocalyptic number.

It is an amenable number.

23444137 is a deficient number, since it is larger than the sum of its proper divisors (1).

23444137 is an equidigital number, since it uses as much as digits as its factorization.

23444137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 28.

The square root of 23444137 is about 4841.9146006513. The cubic root of 23444137 is about 286.2055713100.

Adding to 23444137 its reverse (73144432), we get a palindrome (96588569).

The spelling of 23444137 in words is "twenty-three million, four hundred forty-four thousand, one hundred thirty-seven".