612576823 has 16 divisors (see below), whose sum is σ = 634066560. Its totient is φ = 591552000.

The previous prime is 612576787. The next prime is 612576841. The reversal of 612576823 is 328675216.

It is a de Polignac number, because none of the positive numbers 2^k-612576823 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 (612576863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1527423 + ... + 1527823.

It is an arithmetic number, because the mean of its divisors is an integer number (39629160).

Almost surely, 2^612576823 is an apocalyptic number.

612576823 is a deficient number, since it is larger than the sum of its proper divisors (21489737).

612576823 is a wasteful number, since it uses less digits than its factorization.

612576823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858.

The product of its digits is 120960, while the sum is 40.

The square root of 612576823 is about 24750.2893518439. The cubic root of 612576823 is about 849.2851304347.

The spelling of 612576823 in words is "six hundred twelve million, five hundred seventy-six thousand, eight hundred twenty-three".