623724171145 has 8 divisors (see below), whose sum is σ = 787862111040. Its totient is φ = 472717266480.

The previous prime is 623724171137. The next prime is 623724171163. The reversal of 623724171145 is 541171427326.

623724171145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 623724171145 - 2³ = 623724171137 is a prime.

It is a super-2 number, since 2×623724171145² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3282758701 + ... + 3282758890.

It is an arithmetic number, because the mean of its divisors is an integer number (98482763880).

Almost surely, 2^623724171145 is an apocalyptic number.

It is an amenable number.

623724171145 is a deficient number, since it is larger than the sum of its proper divisors (164137939895).

623724171145 is a wasteful number, since it uses less digits than its factorization.

623724171145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6565517615.

The product of its digits is 282240, while the sum is 43.

The spelling of 623724171145 in words is "six hundred twenty-three billion, seven hundred twenty-four million, one hundred seventy-one thousand, one hundred forty-five".