23090429 has 4 divisors (see below), whose sum is σ = 23101440. Its totient is φ = 23079420.

The previous prime is 23090423. The next prime is 23090447. The reversal of 23090429 is 92409032.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23090429 - 2²⁰ = 22041853 is a prime.

It is a super-2 number, since 2×23090429² = 1066335822808082, 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 (23090423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277 + ... + 6914.

It is an arithmetic number, because the mean of its divisors is an integer number (5775360).

Almost surely, 2^23090429 is an apocalyptic number.

It is an amenable number.

23090429 is a deficient number, since it is larger than the sum of its proper divisors (11011).

23090429 is an equidigital number, since it uses as much as digits as its factorization.

23090429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11010.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 23090429 is about 4805.2501495760. The cubic root of 23090429 is about 284.7589179067.

The spelling of 23090429 in words is "twenty-three million, ninety thousand, four hundred twenty-nine".