623340117789 has 8 divisors (see below), whose sum is σ = 831123812352. Its totient is φ = 415558250880.

The previous prime is 623340117721. The next prime is 623340117823. The reversal of 623340117789 is 987711043326.

It is a happy number.

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

It is not a de Polignac number, because 623340117789 - 2⁹ = 623340117277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623340117889) 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, 1032237 + ... + 1520589.

It is an arithmetic number, because the mean of its divisors is an integer number (103890476544).

Almost surely, 2^623340117789 is an apocalyptic number.

It is an amenable number.

623340117789 is a deficient number, since it is larger than the sum of its proper divisors (207783694563).

623340117789 is a wasteful number, since it uses less digits than its factorization.

623340117789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913827.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 623340117789 in words is "six hundred twenty-three billion, three hundred forty million, one hundred seventeen thousand, seven hundred eighty-nine".