623763 has 12 divisors (see below), whose sum is σ = 1029808. Its totient is φ = 356400.

The previous prime is 623759. The next prime is 623767. The reversal of 623763 is 367326.

It is an interprime number because it is at equal distance from previous prime (623759) and next prime (623767).

It is not a de Polignac number, because 623763 - 2² = 623759 is a prime.

It is an Ulam number.

It is a Duffinian number.

623763 is a lucky number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (623767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4888 + ... + 5013.

2⁶²³⁷⁶³ is an apocalyptic number.

623763 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

623763 is a deficient number, since it is larger than the sum of its proper divisors (406045).

623763 is a wasteful number, since it uses less digits than its factorization.

623763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9914 (or 9911 counting only the distinct ones).

The product of its digits is 4536, while the sum is 27.

The square root of 623763 is about 789.7866800599. The cubic root of 623763 is about 85.4423536731.

The spelling of 623763 in words is "six hundred twenty-three thousand, seven hundred sixty-three".