623296577 has 4 divisors (see below), whose sum is σ = 656101680. Its totient is φ = 590491476.

The previous prime is 623296549. The next prime is 623296579. The reversal of 623296577 is 775692326.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 623296577 - 2¹⁶ = 623231041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (623296579) 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, 16402523 + ... + 16402560.

It is an arithmetic number, because the mean of its divisors is an integer number (164025420).

Almost surely, 2^623296577 is an apocalyptic number.

It is an amenable number.

623296577 is a deficient number, since it is larger than the sum of its proper divisors (32805103).

623296577 is a wasteful number, since it uses less digits than its factorization.

623296577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32805102.

The product of its digits is 952560, while the sum is 47.

The square root of 623296577 is about 24965.9082951132. The cubic root of 623296577 is about 854.2105166347.

The spelling of 623296577 in words is "six hundred twenty-three million, two hundred ninety-six thousand, five hundred seventy-seven".