23453137 has 2 divisors, whose sum is σ = 23453138. Its totient is φ = 23453136.

The previous prime is 23453119. The next prime is 23453147. The reversal of 23453137 is 73135432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20439441 + 3013696 = 4521^2 + 1736^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23453137 is a prime.

It is not a weakly prime, because it can be changed into another prime (23453147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11726568 + 11726569.

It is an arithmetic number, because the mean of its divisors is an integer number (11726569).

Almost surely, 2^23453137 is an apocalyptic number.

It is an amenable number.

23453137 is a deficient number, since it is larger than the sum of its proper divisors (1).

23453137 is an equidigital number, since it uses as much as digits as its factorization.

23453137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 28.

The square root of 23453137 is about 4842.8438958942. The cubic root of 23453137 is about 286.2421905664.

Adding to 23453137 its reverse (73135432), we get a palindrome (96588569).

The spelling of 23453137 in words is "twenty-three million, four hundred fifty-three thousand, one hundred thirty-seven".