23429679 has 32 divisors (see below), whose sum is σ = 40481280. Its totient is φ = 11705472.

The previous prime is 23429639. The next prime is 23429687. The reversal of 23429679 is 97692432.

It is a happy number.

It is not a de Polignac number, because 23429679 - 2⁹ = 23429167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23429679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23429629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2929 + ... + 7445.

It is an arithmetic number, because the mean of its divisors is an integer number (1265040).

Almost surely, 2^23429679 is an apocalyptic number.

23429679 is a deficient number, since it is larger than the sum of its proper divisors (17051601).

23429679 is a wasteful number, since it uses less digits than its factorization.

23429679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4559.

The product of its digits is 163296, while the sum is 42.

The square root of 23429679 is about 4840.4213659557. The cubic root of 23429679 is about 286.1467248833.

It can be divided in two parts, 2342 and 9679, that added together give a palindrome (12021).

The spelling of 23429679 in words is "twenty-three million, four hundred twenty-nine thousand, six hundred seventy-nine".