765254423 has 4 divisors (see below), whose sum is σ = 781536480. Its totient is φ = 748972368.

The previous prime is 765254411. The next prime is 765254429. The reversal of 765254423 is 324452567.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324452567 = 1879 ⋅172673.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-765254423 is a prime.

It is a super-2 number, since 2×765254423² = 1171228663842125858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (765254429) 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, 8140958 + ... + 8141051.

It is an arithmetic number, because the mean of its divisors is an integer number (195384120).

Almost surely, 2^765254423 is an apocalyptic number.

765254423 is a deficient number, since it is larger than the sum of its proper divisors (16282057).

765254423 is a wasteful number, since it uses less digits than its factorization.

765254423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16282056.

The product of its digits is 201600, while the sum is 38.

The square root of 765254423 is about 27663.2323310202. The cubic root of 765254423 is about 914.6788059138.

It can be divided in two parts, 7652544 and 23, that added together give a palindrome (7652567).

The spelling of 765254423 in words is "seven hundred sixty-five million, two hundred fifty-four thousand, four hundred twenty-three".