23261855 has 8 divisors (see below), whose sum is σ = 29128032. Its totient is φ = 17800288.

The previous prime is 23261837. The next prime is 23261869. The reversal of 23261855 is 55816232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23261855 - 2¹⁶ = 23196319 is a prime.

It is a super-2 number, since 2×23261855² = 1082227796082050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101024 + ... + 101253.

It is an arithmetic number, because the mean of its divisors is an integer number (3641004).

Almost surely, 2^23261855 is an apocalyptic number.

23261855 is a deficient number, since it is larger than the sum of its proper divisors (5866177).

23261855 is a wasteful number, since it uses less digits than its factorization.

23261855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202305.

The product of its digits is 14400, while the sum is 32.

The square root of 23261855 is about 4823.0545300670. The cubic root of 23261855 is about 285.4618754703.

The spelling of 23261855 in words is "twenty-three million, two hundred sixty-one thousand, eight hundred fifty-five".