23102081 has 4 divisors (see below), whose sum is σ = 24318000. Its totient is φ = 21886164.

The previous prime is 23102039. The next prime is 23102083. The reversal of 23102081 is 18020132.

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 23102081 - 2¹⁸ = 22839937 is a prime.

It is a super-2 number, since 2×23102081² = 1067412293061122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23102083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607931 + ... + 607968.

It is an arithmetic number, because the mean of its divisors is an integer number (6079500).

Almost surely, 2^23102081 is an apocalyptic number.

It is an amenable number.

23102081 is a deficient number, since it is larger than the sum of its proper divisors (1215919).

23102081 is a wasteful number, since it uses less digits than its factorization.

23102081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215918.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 23102081 is about 4806.4624205334. The cubic root of 23102081 is about 284.8068086432.

The spelling of 23102081 in words is "twenty-three million, one hundred two thousand, eighty-one".