623255513 has 8 divisors (see below), whose sum is σ = 662828832. Its totient is φ = 584005696.

The previous prime is 623255497. The next prime is 623255543. The reversal of 623255513 is 315552326.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 623255513 - 2⁴ = 623255497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 623255513.

It is not an unprimeable number, because it can be changed into a prime (623255543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76895 + ... + 84612.

It is an arithmetic number, because the mean of its divisors is an integer number (82853604).

Almost surely, 2^623255513 is an apocalyptic number.

It is an amenable number.

623255513 is a deficient number, since it is larger than the sum of its proper divisors (39573319).

623255513 is a wasteful number, since it uses less digits than its factorization.

623255513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161751.

The product of its digits is 27000, while the sum is 32.

The square root of 623255513 is about 24965.0858800846. The cubic root of 623255513 is about 854.1917572018.

The spelling of 623255513 in words is "six hundred twenty-three million, two hundred fifty-five thousand, five hundred thirteen".