235124013 has 4 divisors (see below), whose sum is σ = 313498688. Its totient is φ = 156749340.

The previous prime is 235123997. The next prime is 235124039. The reversal of 235124013 is 310421532.

235124013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is not a de Polignac number, because 235124013 - 2⁴ = 235123997 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 (235124213) 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, 39187333 + ... + 39187338.

It is an arithmetic number, because the mean of its divisors is an integer number (78374672).

Almost surely, 2^235124013 is an apocalyptic number.

It is an amenable number.

235124013 is a deficient number, since it is larger than the sum of its proper divisors (78374675).

235124013 is an equidigital number, since it uses as much as digits as its factorization.

235124013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78374674.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 235124013 is about 15333.7540413299. The cubic root of 235124013 is about 617.2091112441.

Adding to 235124013 its reverse (310421532), we get a palindrome (545545545).

The spelling of 235124013 in words is "two hundred thirty-five million, one hundred twenty-four thousand, thirteen".