623319 has 8 divisors (see below), whose sum is σ = 836592. Its totient is φ = 412800.

The previous prime is 623303. The next prime is 623321. The reversal of 623319 is 913326.

623319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 623319 - 2⁴ = 623303 is a prime.

It is a super-2 number, since 2×623319² = 777053151522, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623719) 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, 82 + ... + 1119.

It is an arithmetic number, because the mean of its divisors is an integer number (104574).

2⁶²³³¹⁹ is an apocalyptic number.

623319 is a deficient number, since it is larger than the sum of its proper divisors (213273).

623319 is a wasteful number, since it uses less digits than its factorization.

623319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377.

The product of its digits is 972, while the sum is 24.

The square root of 623319 is about 789.5055414625. The cubic root of 623319 is about 85.4220759877.

The spelling of 623319 in words is "six hundred twenty-three thousand, three hundred nineteen".