123552203772 has 48 divisors (see below), whose sum is σ = 290055507840. Its totient is φ = 40932259392.

The previous prime is 123552203717. The next prime is 123552203783. The reversal of 123552203772 is 277302255321.

It is a super-2 number, since 2×123552203772² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123552203772.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1560354 + ... + 1637622.

It is an arithmetic number, because the mean of its divisors is an integer number (6042823080).

Almost surely, 2^123552203772 is an apocalyptic number.

123552203772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123552203772 is an abundant number, since it is smaller than the sum of its proper divisors (166503304068).

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

123552203772 is a wasteful number, since it uses less digits than its factorization.

123552203772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78090 (or 78088 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 39.

The spelling of 123552203772 in words is "one hundred twenty-three billion, five hundred fifty-two million, two hundred three thousand, seven hundred seventy-two".