152023439 has 2 divisors, whose sum is σ = 152023440. Its totient is φ = 152023438.

The previous prime is 152023433. The next prime is 152023441. The reversal of 152023439 is 934320251.

It is a strong prime.

It is an emirp because it is prime and its reverse (934320251) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152023439 is a prime.

It is a super-2 number, since 2×152023439² = 46222252010773442, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 152023441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152023433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76011719 + 76011720.

It is an arithmetic number, because the mean of its divisors is an integer number (76011720).

Almost surely, 2^152023439 is an apocalyptic number.

152023439 is a deficient number, since it is larger than the sum of its proper divisors (1).

152023439 is an equidigital number, since it uses as much as digits as its factorization.

152023439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 152023439 is about 12329.7785462676. The cubic root of 152023439 is about 533.7077602056.

The spelling of 152023439 in words is "one hundred fifty-two million, twenty-three thousand, four hundred thirty-nine".