623708 has 12 divisors (see below), whose sum is σ = 1097712. Its totient is φ = 310080.

The previous prime is 623699. The next prime is 623717. The reversal of 623708 is 807326.

It is an interprime number because it is at equal distance from previous prime (623699) and next prime (623717).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641 + ... + 1287.

It is an arithmetic number, because the mean of its divisors is an integer number (91476).

2⁶²³⁷⁰⁸ is an apocalyptic number.

It is an amenable number.

623708 is a deficient number, since it is larger than the sum of its proper divisors (474004).

623708 is a wasteful number, since it uses less digits than its factorization.

623708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 623708 is about 789.7518597636. The cubic root of 623708 is about 85.4398423199.

It can be divided in two parts, 623 and 708, that added together give a palindrome (1331).

The spelling of 623708 in words is "six hundred twenty-three thousand, seven hundred eight".