23008381 has 4 divisors (see below), whose sum is σ = 25100064. Its totient is φ = 20916700.

The previous prime is 23008379. The next prime is 23008393. The reversal of 23008381 is 18380032.

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 23008381 - 2¹ = 23008379 is a prime.

It is a super-2 number, since 2×23008381² = 1058771192482322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23008301) 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, 1045825 + ... + 1045846.

It is an arithmetic number, because the mean of its divisors is an integer number (6275016).

Almost surely, 2^23008381 is an apocalyptic number.

It is an amenable number.

23008381 is a deficient number, since it is larger than the sum of its proper divisors (2091683).

23008381 is a wasteful number, since it uses less digits than its factorization.

23008381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091682.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 23008381 is about 4796.7052233799. The cubic root of 23008381 is about 284.4212364703.

The spelling of 23008381 in words is "twenty-three million, eight thousand, three hundred eighty-one".