23929443 has 6 divisors (see below), whose sum is σ = 34564764. Its totient is φ = 15952956.

The previous prime is 23929391. The next prime is 23929463. The reversal of 23929443 is 34492932.

It is not a de Polignac number, because 23929443 - 2¹⁰ = 23928419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23929398 and 23929407.

It is not an unprimeable number, because it can be changed into a prime (23929463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1329405 + ... + 1329422.

It is an arithmetic number, because the mean of its divisors is an integer number (5760794).

Almost surely, 2^23929443 is an apocalyptic number.

23929443 is a deficient number, since it is larger than the sum of its proper divisors (10635321).

23929443 is a wasteful number, since it uses less digits than its factorization.

23929443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658833 (or 2658830 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 23929443 is about 4891.7729914623. The cubic root of 23929443 is about 288.1669677074.

The spelling of 23929443 in words is "twenty-three million, nine hundred twenty-nine thousand, four hundred forty-three".