23086261 has 16 divisors (see below), whose sum is σ = 26123328. Its totient is φ = 20217600.

The previous prime is 23086241. The next prime is 23086267. The reversal of 23086261 is 16268032.

It is a cyclic number.

It is not a de Polignac number, because 23086261 - 2¹⁵ = 23053493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23086267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53101 + ... + 53533.

It is an arithmetic number, because the mean of its divisors is an integer number (1632708).

Almost surely, 2^23086261 is an apocalyptic number.

It is an amenable number.

23086261 is a deficient number, since it is larger than the sum of its proper divisors (3037067).

23086261 is a wasteful number, since it uses less digits than its factorization.

23086261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 23086261 is about 4804.8164377008. The cubic root of 23086261 is about 284.7417831509.

The spelling of 23086261 in words is "twenty-three million, eighty-six thousand, two hundred sixty-one".