123629672445 has 8 divisors (see below), whose sum is σ = 197807475936. Its totient is φ = 65935825296.

The previous prime is 123629672431. The next prime is 123629672447. The reversal of 123629672445 is 544276926321.

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

It is not a de Polignac number, because 123629672445 - 2⁹ = 123629671933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123629672447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4120989067 + ... + 4120989096.

It is an arithmetic number, because the mean of its divisors is an integer number (24725934492).

Almost surely, 2^123629672445 is an apocalyptic number.

123629672445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123629672445 is a deficient number, since it is larger than the sum of its proper divisors (74177803491).

123629672445 is an equidigital number, since it uses as much as digits as its factorization.

123629672445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8241978171.

The product of its digits is 4354560, while the sum is 51.

The spelling of 123629672445 in words is "one hundred twenty-three billion, six hundred twenty-nine million, six hundred seventy-two thousand, four hundred forty-five".