23139102 has 32 divisors (see below), whose sum is σ = 53620992. Its totient is φ = 6519744.

The previous prime is 23139043. The next prime is 23139119. The reversal of 23139102 is 20193132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 708 + ... + 6839.

It is an arithmetic number, because the mean of its divisors is an integer number (1675656).

Almost surely, 2^23139102 is an apocalyptic number.

23139102 is an abundant number, since it is smaller than the sum of its proper divisors (30481890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23139102 is a wasteful number, since it uses less digits than its factorization.

23139102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7632.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 23139102 is about 4810.3120480900. The cubic root of 23139102 is about 284.9588614059.

The spelling of 23139102 in words is "twenty-three million, one hundred thirty-nine thousand, one hundred two".