23139862 has 8 divisors (see below), whose sum is σ = 35278992. Its totient is φ = 11380200.

The previous prime is 23139847. The next prime is 23139869. The reversal of 23139862 is 26893132.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23139869) 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, 94714 + ... + 94957.

It is an arithmetic number, because the mean of its divisors is an integer number (4409874).

Almost surely, 2^23139862 is an apocalyptic number.

23139862 is a deficient number, since it is larger than the sum of its proper divisors (12139130).

23139862 is a wasteful number, since it uses less digits than its factorization.

23139862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189734.

The product of its digits is 15552, while the sum is 34.

The square root of 23139862 is about 4810.3910443955. The cubic root of 23139862 is about 284.9619811807.

The spelling of 23139862 in words is "twenty-three million, one hundred thirty-nine thousand, eight hundred sixty-two".