23039429 has 16 divisors (see below), whose sum is σ = 26966016. Its totient is φ = 19278000.

The previous prime is 23039411. The next prime is 23039431. The reversal of 23039429 is 92493032.

It is not a de Polignac number, because 23039429 - 2⁸ = 23039173 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 23039395 and 23039404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23039449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74894 + ... + 75200.

It is an arithmetic number, because the mean of its divisors is an integer number (1685376).

Almost surely, 2^23039429 is an apocalyptic number.

It is an amenable number.

23039429 is a deficient number, since it is larger than the sum of its proper divisors (3926587).

23039429 is a wasteful number, since it uses less digits than its factorization.

23039429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 23039429 is about 4799.9405204648. The cubic root of 23039429 is about 284.5491136615.

The spelling of 23039429 in words is "twenty-three million, thirty-nine thousand, four hundred twenty-nine".