23260391 has 16 divisors (see below), whose sum is σ = 29127168. Its totient is φ = 18045600.

The previous prime is 23260361. The next prime is 23260397. The reversal of 23260391 is 19306232.

It is a cyclic number.

It is not a de Polignac number, because 23260391 - 2¹⁰ = 23259367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23260391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23260397) 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, 22046 + ... + 23076.

It is an arithmetic number, because the mean of its divisors is an integer number (1820448).

Almost surely, 2^23260391 is an apocalyptic number.

23260391 is a deficient number, since it is larger than the sum of its proper divisors (5866777).

23260391 is a wasteful number, since it uses less digits than its factorization.

23260391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 23260391 is about 4822.9027566394. The cubic root of 23260391 is about 285.4558867683.

The spelling of 23260391 in words is "twenty-three million, two hundred sixty thousand, three hundred ninety-one".