23260981 has 16 divisors (see below), whose sum is σ = 26345088. Its totient is φ = 20416000.

The previous prime is 23260969. The next prime is 23261003. The reversal of 23260981 is 18906232.

It is a cyclic number.

It is not a de Polignac number, because 23260981 - 2¹¹ = 23258933 is a prime.

It is a super-2 number, since 2×23260981² = 1082146474164722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23260961) 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, 15306 + ... + 16756.

It is an arithmetic number, because the mean of its divisors is an integer number (1646568).

Almost surely, 2^23260981 is an apocalyptic number.

It is an amenable number.

23260981 is a deficient number, since it is larger than the sum of its proper divisors (3084107).

23260981 is a wasteful number, since it uses less digits than its factorization.

23260981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 23260981 is about 4822.9639227346. The cubic root of 23260981 is about 285.4583002781.

The spelling of 23260981 in words is "twenty-three million, two hundred sixty thousand, nine hundred eighty-one".