152324231 has 4 divisors (see below), whose sum is σ = 152716200. Its totient is φ = 151932264.

The previous prime is 152324213. The next prime is 152324257. The reversal of 152324231 is 132423251.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 152324231 - 2²⁶ = 85215367 is a prime.

It is a super-2 number, since 2×152324231² = 46405342699482722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152324197 and 152324206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152324281) 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, 195401 + ... + 196178.

It is an arithmetic number, because the mean of its divisors is an integer number (38179050).

Almost surely, 2^152324231 is an apocalyptic number.

152324231 is a deficient number, since it is larger than the sum of its proper divisors (391969).

152324231 is an equidigital number, since it uses as much as digits as its factorization.

152324231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391968.

The product of its digits is 1440, while the sum is 23.

The square root of 152324231 is about 12341.9703046151. The cubic root of 152324231 is about 534.0595245218.

Adding to 152324231 its reverse (132423251), we get a palindrome (284747482).

The spelling of 152324231 in words is "one hundred fifty-two million, three hundred twenty-four thousand, two hundred thirty-one".