23251901 has 4 divisors (see below), whose sum is σ = 23279292. Its totient is φ = 23224512.

The previous prime is 23251867. The next prime is 23251913. The reversal of 23251901 is 10915232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11868025 + 11383876 = 3445^2 + 3374^2 .

It is a cyclic number.

It is not a de Polignac number, because 23251901 - 2¹⁴ = 23235517 is a prime.

It is a super-2 number, since 2×23251901² = 1081301800227602, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23251931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12380 + ... + 14133.

It is an arithmetic number, because the mean of its divisors is an integer number (5819823).

Almost surely, 2^23251901 is an apocalyptic number.

It is an amenable number.

23251901 is a deficient number, since it is larger than the sum of its proper divisors (27391).

23251901 is an equidigital number, since it uses as much as digits as its factorization.

23251901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27390.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 23251901 is about 4822.0225009844. The cubic root of 23251901 is about 285.4211522504.

The spelling of 23251901 in words is "twenty-three million, two hundred fifty-one thousand, nine hundred one".