23142385 has 16 divisors (see below), whose sum is σ = 32478336. Its totient is φ = 15499008.

The previous prime is 23142367. The next prime is 23142391. The reversal of 23142385 is 58324132.

It is not a de Polignac number, because 23142385 - 2⁹ = 23141873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6184 + ... + 9193.

It is an arithmetic number, because the mean of its divisors is an integer number (2029896).

Almost surely, 2^23142385 is an apocalyptic number.

It is an amenable number.

23142385 is a deficient number, since it is larger than the sum of its proper divisors (9335951).

23142385 is a wasteful number, since it uses less digits than its factorization.

23142385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15432.

The product of its digits is 5760, while the sum is 28.

The square root of 23142385 is about 4810.6532820398. The cubic root of 23142385 is about 284.9723375224.

The spelling of 23142385 in words is "twenty-three million, one hundred forty-two thousand, three hundred eighty-five".