24423139 has 8 divisors (see below), whose sum is σ = 26376560. Its totient is φ = 22480416.

The previous prime is 24423137. The next prime is 24423143. The reversal of 24423139 is 93132442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 24423139 - 2¹ = 24423137 is a prime.

It is a super-2 number, since 2×24423139² = 1192979437226642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24423131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2449 + ... + 7405.

It is an arithmetic number, because the mean of its divisors is an integer number (3297070).

Almost surely, 2^24423139 is an apocalyptic number.

24423139 is a deficient number, since it is larger than the sum of its proper divisors (1953421).

24423139 is a wasteful number, since it uses less digits than its factorization.

24423139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5349.

The product of its digits is 5184, while the sum is 28.

The square root of 24423139 is about 4941.9772358844. The cubic root of 24423139 is about 290.1352480517.

The spelling of 24423139 in words is "twenty-four million, four hundred twenty-three thousand, one hundred thirty-nine".