23806481 has 4 divisors (see below), whose sum is σ = 24574464. Its totient is φ = 23038500.

The previous prime is 23806459. The next prime is 23806483. The reversal of 23806481 is 18460832.

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 not a de Polignac number, because 23806481 - 2⁶ = 23806417 is a prime.

It is a super-2 number, since 2×23806481² = 1133497075206722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23806483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383945 + ... + 384006.

It is an arithmetic number, because the mean of its divisors is an integer number (6143616).

Almost surely, 2^23806481 is an apocalyptic number.

It is an amenable number.

23806481 is a deficient number, since it is larger than the sum of its proper divisors (767983).

23806481 is an equidigital number, since it uses as much as digits as its factorization.

23806481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767982.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 23806481 is about 4879.1885595865. The cubic root of 23806481 is about 287.6725356300.

The spelling of 23806481 in words is "twenty-three million, eight hundred six thousand, four hundred eighty-one".