152323231 has 2 divisors, whose sum is σ = 152323232. Its totient is φ = 152323230.

The previous prime is 152323229. The next prime is 152323253. The reversal of 152323231 is 132323251.

It is an a-pointer prime, because the next prime (152323253) can be obtained adding 152323231 to its sum of digits (22).

It is a weak prime.

It is an emirp because it is prime and its reverse (132323251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152323231 - 2¹ = 152323229 is a prime.

It is a super-2 number, since 2×152323231² = 46404733404558722, which contains 22 as substring.

Together with 152323229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152323261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76161615 + 76161616.

It is an arithmetic number, because the mean of its divisors is an integer number (76161616).

Almost surely, 2^152323231 is an apocalyptic number.

152323231 is a deficient number, since it is larger than the sum of its proper divisors (1).

152323231 is an equidigital number, since it uses as much as digits as its factorization.

152323231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 22.

The square root of 152323231 is about 12341.9297923785. The cubic root of 152323231 is about 534.0583558290.

Adding to 152323231 its reverse (132323251), we get a palindrome (284646482).

The spelling of 152323231 in words is "one hundred fifty-two million, three hundred twenty-three thousand, two hundred thirty-one".