623287674 has 48 divisors (see below), whose sum is σ = 1397620224. Its totient is φ = 200541600.

The previous prime is 623287673. The next prime is 623287703. The reversal of 623287674 is 476782326.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (623287673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256027 + ... + 258449.

It is an arithmetic number, because the mean of its divisors is an integer number (29117088).

Almost surely, 2^623287674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 623287674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (698810112).

623287674 is an abundant number, since it is smaller than the sum of its proper divisors (774332550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

623287674 is a wasteful number, since it uses less digits than its factorization.

623287674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923 (or 2920 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 623287674 is about 24965.7299913301. The cubic root of 623287674 is about 854.2064495112.

The spelling of 623287674 in words is "six hundred twenty-three million, two hundred eighty-seven thousand, six hundred seventy-four".