623693 has 8 divisors (see below), whose sum is σ = 719040. Its totient is φ = 529920.

The previous prime is 623683. The next prime is 623699. The reversal of 623693 is 396326.

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

It is a cyclic number.

It is not a de Polignac number, because 623693 - 2⁴ = 623677 is a prime.

It is a d-powerful number, because it can be written as 6³ + 2¹⁵ + 6³ + 3 + 9⁵ + 3¹² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623699) 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, 653 + ... + 1293.

It is an arithmetic number, because the mean of its divisors is an integer number (89880).

2⁶²³⁶⁹³ is an apocalyptic number.

It is an amenable number.

623693 is a deficient number, since it is larger than the sum of its proper divisors (95347).

623693 is a wasteful number, since it uses less digits than its factorization.

623693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787.

The product of its digits is 5832, while the sum is 29.

The square root of 623693 is about 789.7423630527. The cubic root of 623693 is about 85.4391573798.

The spelling of 623693 in words is "six hundred twenty-three thousand, six hundred ninety-three".