23415901 has 2 divisors, whose sum is σ = 23415902. Its totient is φ = 23415900.

The previous prime is 23415893. The next prime is 23415911. The reversal of 23415901 is 10951432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20693401 + 2722500 = 4549^2 + 1650^2 .

It is a cyclic number.

It is not a de Polignac number, because 23415901 - 2³ = 23415893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23415911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11707950 + 11707951.

It is an arithmetic number, because the mean of its divisors is an integer number (11707951).

Almost surely, 2^23415901 is an apocalyptic number.

It is an amenable number.

23415901 is a deficient number, since it is larger than the sum of its proper divisors (1).

23415901 is an equidigital number, since it uses as much as digits as its factorization.

23415901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 23415901 is about 4838.9979334569. The cubic root of 23415901 is about 286.0906236361.

The spelling of 23415901 in words is "twenty-three million, four hundred fifteen thousand, nine hundred one".