768623 has 2 divisors, whose sum is σ = 768624. Its totient is φ = 768622.

The previous prime is 768613. The next prime is 768629. The reversal of 768623 is 326867.

It is a strong prime.

It is an emirp because it is prime and its reverse (326867) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 768623 - 2¹⁸ = 506479 is a prime.

It is a super-2 number, since 2×768623² = 1181562632258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 768623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384311 + 384312.

It is an arithmetic number, because the mean of its divisors is an integer number (384312).

2⁷⁶⁸⁶²³ is an apocalyptic number.

768623 is a deficient number, since it is larger than the sum of its proper divisors (1).

768623 is an equidigital number, since it uses as much as digits as its factorization.

768623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The square root of 768623 is about 876.7114690706. The cubic root of 768623 is about 91.6018951064.

The spelling of 768623 in words is "seven hundred sixty-eight thousand, six hundred twenty-three".