152621623 has 32 divisors (see below), whose sum is σ = 204480000. Its totient is φ = 112613760.

The previous prime is 152621603. The next prime is 152621647. The reversal of 152621623 is 326126251.

It is not a de Polignac number, because 152621623 - 2⁵ = 152621591 is a prime.

It is a super-4 number, since 4×152621623⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152621591 and 152621600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152621603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70623 + ... + 72751.

It is an arithmetic number, because the mean of its divisors is an integer number (6390000).

Almost surely, 2^152621623 is an apocalyptic number.

152621623 is a deficient number, since it is larger than the sum of its proper divisors (51858377).

152621623 is a wasteful number, since it uses less digits than its factorization.

152621623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180 (or 2166 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 152621623 is about 12354.0124251192. The cubic root of 152621623 is about 534.4068577065.

Adding to 152621623 its reverse (326126251), we get a palindrome (478747874).

The spelling of 152621623 in words is "one hundred fifty-two million, six hundred twenty-one thousand, six hundred twenty-three".