23142089 has 8 divisors (see below), whose sum is σ = 23945472. Its totient is φ = 22342320.

The previous prime is 23142017. The next prime is 23142107. The reversal of 23142089 is 98024132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-23142089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23142289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20627 + ... + 21719.

It is an arithmetic number, because the mean of its divisors is an integer number (2993184).

Almost surely, 2^23142089 is an apocalyptic number.

It is an amenable number.

23142089 is a deficient number, since it is larger than the sum of its proper divisors (803383).

23142089 is a wasteful number, since it uses less digits than its factorization.

23142089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 23142089 is about 4810.6225168891. The cubic root of 23142089 is about 284.9711225486.

The spelling of 23142089 in words is "twenty-three million, one hundred forty-two thousand, eighty-nine".