23134279 has 4 divisors (see below), whose sum is σ = 26439184. Its totient is φ = 19829376.

The previous prime is 23134273. The next prime is 23134283. The reversal of 23134279 is 97243132.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23134279 - 2¹⁹ = 22609991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23134279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23134273) 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, 1652442 + ... + 1652455.

It is an arithmetic number, because the mean of its divisors is an integer number (6609796).

Almost surely, 2^23134279 is an apocalyptic number.

23134279 is a deficient number, since it is larger than the sum of its proper divisors (3304905).

23134279 is an equidigital number, since it uses as much as digits as its factorization.

23134279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304904.

The product of its digits is 9072, while the sum is 31.

The square root of 23134279 is about 4809.8107031358. The cubic root of 23134279 is about 284.9390615582.

The spelling of 23134279 in words is "twenty-three million, one hundred thirty-four thousand, two hundred seventy-nine".