23103139 has 4 divisors (see below), whose sum is σ = 23112856. Its totient is φ = 23093424.

The previous prime is 23103137. The next prime is 23103149. The reversal of 23103139 is 93130132.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23103139 - 2¹ = 23103137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23103137) 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, 1372 + ... + 6934.

It is an arithmetic number, because the mean of its divisors is an integer number (5778214).

Almost surely, 2^23103139 is an apocalyptic number.

23103139 is a deficient number, since it is larger than the sum of its proper divisors (9717).

23103139 is an equidigital number, since it uses as much as digits as its factorization.

23103139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9716.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 23103139 is about 4806.5724794286. The cubic root of 23103139 is about 284.8111563180.

The spelling of 23103139 in words is "twenty-three million, one hundred three thousand, one hundred thirty-nine".