1723225140 has 576 divisors, whose sum is σ = 6971328000. Its totient is φ = 341397504.

The previous prime is 1723225139. The next prime is 1723225151. The reversal of 1723225140 is 415223271.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 15249724 + ... + 15249836.

It is an arithmetic number, because the mean of its divisors is an integer number (12103000).

Almost surely, 2^1723225140 is an apocalyptic number.

1723225140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1723225140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3485664000).

1723225140 is an abundant number, since it is smaller than the sum of its proper divisors (5248102860).

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

1723225140 is a wasteful number, since it uses less digits than its factorization.

1723225140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1723225140 is about 41511.7470121410. The cubic root of 1723225140 is about 1198.8936887095.

The spelling of 1723225140 in words is "one billion, seven hundred twenty-three million, two hundred twenty-five thousand, one hundred forty".