23238401 has 2 divisors, whose sum is σ = 23238402. Its totient is φ = 23238400.

The previous prime is 23238379. The next prime is 23238407. The reversal of 23238401 is 10483232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16483600 + 6754801 = 4060^2 + 2599^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23238401 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23238407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11619200 + 11619201.

It is an arithmetic number, because the mean of its divisors is an integer number (11619201).

Almost surely, 2^23238401 is an apocalyptic number.

It is an amenable number.

23238401 is a deficient number, since it is larger than the sum of its proper divisors (1).

23238401 is an equidigital number, since it uses as much as digits as its factorization.

23238401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 23238401 is about 4820.6224701796. The cubic root of 23238401 is about 285.3659032694.

The spelling of 23238401 in words is "twenty-three million, two hundred thirty-eight thousand, four hundred one".