23246981 has 4 divisors (see below), whose sum is σ = 23364000. Its totient is φ = 23129964.

The previous prime is 23246963. The next prime is 23246983. The reversal of 23246981 is 18964232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23246981 is a prime.

It is a super-2 number, since 2×23246981² = 1080844251228722, 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 (23246983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58211 + ... + 58608.

It is an arithmetic number, because the mean of its divisors is an integer number (5841000).

Almost surely, 2^23246981 is an apocalyptic number.

It is an amenable number.

23246981 is a deficient number, since it is larger than the sum of its proper divisors (117019).

23246981 is a wasteful number, since it uses less digits than its factorization.

23246981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117018.

The product of its digits is 20736, while the sum is 35.

The square root of 23246981 is about 4821.5123146166. The cubic root of 23246981 is about 285.4010195435.

The spelling of 23246981 in words is "twenty-three million, two hundred forty-six thousand, nine hundred eighty-one".