23137841 has 2 divisors, whose sum is σ = 23137842. Its totient is φ = 23137840.

The previous prime is 23137837. The next prime is 23137843. The reversal of 23137841 is 14873132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22363441 + 774400 = 4729^2 + 880^2 .

It is a cyclic number.

It is not a de Polignac number, because 23137841 - 2² = 23137837 is a prime.

It is a super-2 number, since 2×23137841² = 1070719372282562, which contains 22 as substring.

Together with 23137843, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23137843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11568920 + 11568921.

It is an arithmetic number, because the mean of its divisors is an integer number (11568921).

Almost surely, 2^23137841 is an apocalyptic number.

It is an amenable number.

23137841 is a deficient number, since it is larger than the sum of its proper divisors (1).

23137841 is an equidigital number, since it uses as much as digits as its factorization.

23137841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 29.

The square root of 23137841 is about 4810.1809737265. The cubic root of 23137841 is about 284.9536848920.

The spelling of 23137841 in words is "twenty-three million, one hundred thirty-seven thousand, eight hundred forty-one".