770423 has 4 divisors (see below), whose sum is σ = 815760. Its totient is φ = 725088.

The previous prime is 770417. The next prime is 770437. The reversal of 770423 is 324077.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 770423 - 2⁶ = 770359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22643 + ... + 22676.

It is an arithmetic number, because the mean of its divisors is an integer number (203940).

2⁷⁷⁰⁴²³ is an apocalyptic number.

770423 is a deficient number, since it is larger than the sum of its proper divisors (45337).

770423 is a wasteful number, since it uses less digits than its factorization.

770423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45336.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 770423 is about 877.7374322655. The cubic root of 770423 is about 91.6733453352.

The spelling of 770423 in words is "seven hundred seventy thousand, four hundred twenty-three", and thus it is an iban number.