23030881 has 4 divisors (see below), whose sum is σ = 23058432. Its totient is φ = 23003332.

The previous prime is 23030879. The next prime is 23030941. The reversal of 23030881 is 18803032.

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 23030881 - 2¹ = 23030879 is a prime.

It is a super-2 number, since 2×23030881² = 1060842959272322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23030081) 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, 12481 + ... + 14206.

It is an arithmetic number, because the mean of its divisors is an integer number (5764608).

Almost surely, 2^23030881 is an apocalyptic number.

It is an amenable number.

23030881 is a deficient number, since it is larger than the sum of its proper divisors (27551).

23030881 is an equidigital number, since it uses as much as digits as its factorization.

23030881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27550.

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

The square root of 23030881 is about 4799.0500101583. The cubic root of 23030881 is about 284.5139185372.

The spelling of 23030881 in words is "twenty-three million, thirty thousand, eight hundred eighty-one".