23456261 has 4 divisors (see below), whose sum is σ = 24090252. Its totient is φ = 22822272.

The previous prime is 23456239. The next prime is 23456267. The reversal of 23456261 is 16265432.

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 11937025 + 11519236 = 3455^2 + 3394^2 .

It is a cyclic number.

It is not a de Polignac number, because 23456261 - 2⁶ = 23456197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23456267) 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, 316940 + ... + 317013.

It is an arithmetic number, because the mean of its divisors is an integer number (6022563).

Almost surely, 2^23456261 is an apocalyptic number.

It is an amenable number.

23456261 is a deficient number, since it is larger than the sum of its proper divisors (633991).

23456261 is an equidigital number, since it uses as much as digits as its factorization.

23456261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633990.

The product of its digits is 8640, while the sum is 29.

The square root of 23456261 is about 4843.1664229097. The cubic root of 23456261 is about 286.2548993269.

The spelling of 23456261 in words is "twenty-three million, four hundred fifty-six thousand, two hundred sixty-one".