123024013 has 4 divisors (see below), whose sum is σ = 140598880. Its totient is φ = 105449148.

The previous prime is 123023983. The next prime is 123024023. The reversal of 123024013 is 310420321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310420321 = 29 ⋅10704149.

It is not a de Polignac number, because 123024013 - 2⁵ = 123023981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123024023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8787423 + ... + 8787436.

It is an arithmetic number, because the mean of its divisors is an integer number (35149720).

Almost surely, 2^123024013 is an apocalyptic number.

It is an amenable number.

123024013 is a deficient number, since it is larger than the sum of its proper divisors (17574867).

123024013 is an equidigital number, since it uses as much as digits as its factorization.

123024013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17574866.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 123024013 is about 11091.6190432236. The cubic root of 123024013 is about 497.3513446919.

Adding to 123024013 its reverse (310420321), we get a palindrome (433444334).

The spelling of 123024013 in words is "one hundred twenty-three million, twenty-four thousand, thirteen".