23393641 has 2 divisors, whose sum is σ = 23393642. Its totient is φ = 23393640.

The previous prime is 23393611. The next prime is 23393647. The reversal of 23393641 is 14639332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15968016 + 7425625 = 3996^2 + 2725^2 .

It is a cyclic number.

It is not a de Polignac number, because 23393641 - 2⁵ = 23393609 is a prime.

It is not a weakly prime, because it can be changed into another prime (23393647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11696820 + 11696821.

It is an arithmetic number, because the mean of its divisors is an integer number (11696821).

Almost surely, 2^23393641 is an apocalyptic number.

It is an amenable number.

23393641 is a deficient number, since it is larger than the sum of its proper divisors (1).

23393641 is an equidigital number, since it uses as much as digits as its factorization.

23393641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 31.

The square root of 23393641 is about 4836.6973235877. The cubic root of 23393641 is about 285.9999388723. Note that the first 4 decimals are identical.

The spelling of 23393641 in words is "twenty-three million, three hundred ninety-three thousand, six hundred forty-one".