24139123 has 2 divisors, whose sum is σ = 24139124. Its totient is φ = 24139122.

The previous prime is 24139117. The next prime is 24139127. The reversal of 24139123 is 32193142.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 24139123 - 2¹⁷ = 24008051 is a prime.

It is not a weakly prime, because it can be changed into another prime (24139127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12069561 + 12069562.

It is an arithmetic number, because the mean of its divisors is an integer number (12069562).

Almost surely, 2^24139123 is an apocalyptic number.

24139123 is a deficient number, since it is larger than the sum of its proper divisors (1).

24139123 is an equidigital number, since it uses as much as digits as its factorization.

24139123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 25.

The square root of 24139123 is about 4913.1581492966. The cubic root of 24139123 is about 289.0062018999.

The spelling of 24139123 in words is "twenty-four million, one hundred thirty-nine thousand, one hundred twenty-three".