23342139 has 12 divisors (see below), whose sum is σ = 35699976. Its totient is φ = 14645952.

The previous prime is 23342117. The next prime is 23342141. The reversal of 23342139 is 93124332.

It is a happy number.

23342139 is a `hidden beast` number, since 233 + 421 + 3 + 9 = 666.

It is not a de Polignac number, because 23342139 - 2⁵ = 23342107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23343139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76129 + ... + 76434.

It is an arithmetic number, because the mean of its divisors is an integer number (2974998).

Almost surely, 2^23342139 is an apocalyptic number.

23342139 is a deficient number, since it is larger than the sum of its proper divisors (12357837).

23342139 is a wasteful number, since it uses less digits than its factorization.

23342139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152586 (or 152583 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 23342139 is about 4831.3703025125. The cubic root of 23342139 is about 285.7899047106.

The spelling of 23342139 in words is "twenty-three million, three hundred forty-two thousand, one hundred thirty-nine".