12623619580 has 48 divisors (see below), whose sum is σ = 31144153824. Its totient is φ = 4237297920.

The previous prime is 12623619577. The next prime is 12623619643. The reversal of 12623619580 is 8591632621.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2204067 + ... + 2209786.

It is an arithmetic number, because the mean of its divisors is an integer number (648836538).

Almost surely, 2^12623619580 is an apocalyptic number.

12623619580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12623619580 is an abundant number, since it is smaller than the sum of its proper divisors (18520534244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12623619580 is a wasteful number, since it uses less digits than its factorization.

12623619580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4413886 (or 4413884 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 12623619580 in words is "twelve billion, six hundred twenty-three million, six hundred nineteen thousand, five hundred eighty".