423365580079 has 4 divisors (see below), whose sum is σ = 455932163176. Its totient is φ = 390798996984.

The previous prime is 423365580049. The next prime is 423365580163. The reversal of 423365580079 is 970085563324.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423365580079 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 (423365580019) 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, 16283291529 + ... + 16283291554.

It is an arithmetic number, because the mean of its divisors is an integer number (113983040794).

Almost surely, 2^423365580079 is an apocalyptic number.

423365580079 is a deficient number, since it is larger than the sum of its proper divisors (32566583097).

423365580079 is a wasteful number, since it uses less digits than its factorization.

423365580079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32566583096.

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 423365580079 in words is "four hundred twenty-three billion, three hundred sixty-five million, five hundred eighty thousand, seventy-nine".