1323625872 has 40 divisors (see below), whose sum is σ = 3421968480. Its totient is φ = 440872960.

The previous prime is 1323625867. The next prime is 1323625903. The reversal of 1323625872 is 2785263231.

1323625872 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1323625872.

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, 57847 + ... + 77417.

It is an arithmetic number, because the mean of its divisors is an integer number (85549212).

Almost surely, 2^1323625872 is an apocalyptic number.

1323625872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1323625872 is an abundant number, since it is smaller than the sum of its proper divisors (2098342608).

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

1323625872 is a wasteful number, since it uses less digits than its factorization.

1323625872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20991 (or 20985 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 1323625872 is about 36381.6694504252. The cubic root of 1323625872 is about 1097.9647965993.

The spelling of 1323625872 in words is "one billion, three hundred twenty-three million, six hundred twenty-five thousand, eight hundred seventy-two".