623080 has 32 divisors (see below), whose sum is σ = 1443240. Its totient is φ = 241920.

The previous prime is 623071. The next prime is 623107. The reversal of 623080 is 80326.

623080 = T₉₁ + T₉₂ + ... + T₁₆₄.

It can be written as a sum of positive squares in 4 ways, for example, as 427716 + 195364 = 654^2 + 442^2 .

It is an unprimeable number.

623080 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1270 + ... + 1690.

2⁶²³⁰⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 623080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (721620).

623080 is an abundant number, since it is smaller than the sum of its proper divisors (820160).

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

623080 is a wasteful number, since it uses less digits than its factorization.

623080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 623080 is about 789.3541663917. The cubic root of 623080 is about 85.4111567601.

Multiplying 623080 by its product of nonzero digits (288), we get a triangular number (179447040 = T₁₈₉₄₄).

The spelling of 623080 in words is "six hundred twenty-three thousand, eighty".