1723145700000 has 144 divisors (see below), whose sum is σ = 5653710951840. Its totient is φ = 459505440000.

The previous prime is 1723145699999. The next prime is 1723145700011. The reversal of 1723145700000 is 75413271.

It is a super-2 number, since 2×1723145700000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2571910 + ... + 3171909.

It is an arithmetic number, because the mean of its divisors is an integer number (39261881610).

Almost surely, 2^{1723145700000} is an apocalyptic number.

1723145700000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1723145700000 is an abundant number, since it is smaller than the sum of its proper divisors (3930565251840).

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

1723145700000 is an frugal number, since it uses more digits than its factorization.

1723145700000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5743857 (or 5743829 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The spelling of 1723145700000 in words is "one trillion, seven hundred twenty-three billion, one hundred forty-five million, seven hundred thousand".