623204215723 has 8 divisors (see below), whose sum is σ = 632150798048. Its totient is φ = 614268702144.

The previous prime is 623204215709. The next prime is 623204215763. The reversal of 623204215723 is 327512402326.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-623204215723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (623204215763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2653740 + ... + 2879017.

It is an arithmetic number, because the mean of its divisors is an integer number (79018849756).

Almost surely, 2^623204215723 is an apocalyptic number.

623204215723 is a deficient number, since it is larger than the sum of its proper divisors (8946582325).

623204215723 is a wasteful number, since it uses less digits than its factorization.

623204215723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5534373.

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 623204215723 in words is "six hundred twenty-three billion, two hundred four million, two hundred fifteen thousand, seven hundred twenty-three".