23505901 has 2 divisors, whose sum is σ = 23505902. Its totient is φ = 23505900.

The previous prime is 23505893. The next prime is 23505919. The reversal of 23505901 is 10950532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13329801 + 10176100 = 3651^2 + 3190^2 .

It is a cyclic number.

It is not a de Polignac number, because 23505901 - 2³ = 23505893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23505941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11752950 + 11752951.

It is an arithmetic number, because the mean of its divisors is an integer number (11752951).

Almost surely, 2^23505901 is an apocalyptic number.

It is an amenable number.

23505901 is a deficient number, since it is larger than the sum of its proper divisors (1).

23505901 is an equidigital number, since it uses as much as digits as its factorization.

23505901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 23505901 is about 4848.2884608901. The cubic root of 23505901 is about 286.4566888204.

The spelling of 23505901 in words is "twenty-three million, five hundred five thousand, nine hundred one".