23055143 has 4 divisors (see below), whose sum is σ = 23125128. Its totient is φ = 22985160.

The previous prime is 23055139. The next prime is 23055157. The reversal of 23055143 is 34155032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23055143 - 2² = 23055139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23055163) 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, 34496 + ... + 35157.

It is an arithmetic number, because the mean of its divisors is an integer number (5781282).

Almost surely, 2^23055143 is an apocalyptic number.

23055143 is a deficient number, since it is larger than the sum of its proper divisors (69985).

23055143 is an equidigital number, since it uses as much as digits as its factorization.

23055143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69984.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 23055143 is about 4801.5771367333. The cubic root of 23055143 is about 284.6137910251.

The spelling of 23055143 in words is "twenty-three million, fifty-five thousand, one hundred forty-three".