120723160400 has 60 divisors (see below), whose sum is σ = 300038711100. Its totient is φ = 46624112640.

The previous prime is 120723160391. The next prime is 120723160421. The reversal of 120723160400 is 4061327021.

It can be written as a sum of positive squares in 6 ways, for example, as 21953756224 + 98769404176 = 148168^2 + 314276^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120723160400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5191985 + ... + 5215184.

It is an arithmetic number, because the mean of its divisors is an integer number (5000645185).

Almost surely, 2^120723160400 is an apocalyptic number.

120723160400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120723160400 is an abundant number, since it is smaller than the sum of its proper divisors (179315550700).

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

120723160400 is a wasteful number, since it uses less digits than its factorization.

120723160400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10407216 (or 10407205 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 120723160400 its reverse (4061327021), we get a palindrome (124784487421).

The spelling of 120723160400 in words is "one hundred twenty billion, seven hundred twenty-three million, one hundred sixty thousand, four hundred".