623450313 has 12 divisors (see below), whose sum is σ = 900768960. Its totient is φ = 415527576.

The previous prime is 623450281. The next prime is 623450327. The reversal of 623450313 is 313054326.

It is a happy number.

623450313 is a `hidden beast` number, since 6 + 2 + 345 + 0 + 313 = 666.

It is not a de Polignac number, because 623450313 - 2⁵ = 623450281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (623450813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47020 + ... + 58802.

It is an arithmetic number, because the mean of its divisors is an integer number (75064080).

Almost surely, 2^623450313 is an apocalyptic number.

It is an amenable number.

623450313 is a deficient number, since it is larger than the sum of its proper divisors (277318647).

623450313 is a wasteful number, since it uses less digits than its factorization.

623450313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17668 (or 17665 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 623450313 is about 24968.9870239063. The cubic root of 623450313 is about 854.2807411567.

The spelling of 623450313 in words is "six hundred twenty-three million, four hundred fifty thousand, three hundred thirteen".