23340137 has 2 divisors, whose sum is σ = 23340138. Its totient is φ = 23340136.

The previous prime is 23340089. The next prime is 23340143. The reversal of 23340137 is 73104332.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20894041 + 2446096 = 4571^2 + 1564^2 .

It is a cyclic number.

It is not a de Polignac number, because 23340137 - 2²⁴ = 6562921 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23340197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11670068 + 11670069.

It is an arithmetic number, because the mean of its divisors is an integer number (11670069).

Almost surely, 2^23340137 is an apocalyptic number.

It is an amenable number.

23340137 is a deficient number, since it is larger than the sum of its proper divisors (1).

23340137 is an equidigital number, since it uses as much as digits as its factorization.

23340137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 23340137 is about 4831.1631104735. The cubic root of 23340137 is about 285.7817339692.

Adding to 23340137 its reverse (73104332), we get a palindrome (96444469).

The spelling of 23340137 in words is "twenty-three million, three hundred forty thousand, one hundred thirty-seven".