152621323 has 2 divisors, whose sum is σ = 152621324. Its totient is φ = 152621322.

The previous prime is 152621317. The next prime is 152621327. The reversal of 152621323 is 323126251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 152621323 - 2²⁵ = 119066891 is a prime.

It is not a weakly prime, because it can be changed into another prime (152621327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76310661 + 76310662.

It is an arithmetic number, because the mean of its divisors is an integer number (76310662).

Almost surely, 2^152621323 is an apocalyptic number.

152621323 is a deficient number, since it is larger than the sum of its proper divisors (1).

152621323 is an equidigital number, since it uses as much as digits as its factorization.

152621323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 25.

The square root of 152621323 is about 12354.0002833090. Note that the first 3 decimals coincide. The cubic root of 152621323 is about 534.4065075548.

Adding to 152621323 its reverse (323126251), we get a palindrome (475747574).

The spelling of 152621323 in words is "one hundred fifty-two million, six hundred twenty-one thousand, three hundred twenty-three".