1723053740 has 96 divisors (see below), whose sum is σ = 3938264064. Its totient is φ = 631445760.

The previous prime is 1723053737. The next prime is 1723053767. The reversal of 1723053740 is 473503271.

It is a junction number, because it is equal to n+sod(n) for n = 1723053697 and 1723053706.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1139585 + ... + 1141095.

It is an arithmetic number, because the mean of its divisors is an integer number (41023584).

Almost surely, 2^1723053740 is an apocalyptic number.

1723053740 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 1723053740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1969132032).

1723053740 is an abundant number, since it is smaller than the sum of its proper divisors (2215210324).

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

1723053740 is a wasteful number, since it uses less digits than its factorization.

1723053740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647 (or 1645 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 1723053740 is about 41509.6824849336. The cubic root of 1723053740 is about 1198.8539382078.

The spelling of 1723053740 in words is "one billion, seven hundred twenty-three million, fifty-three thousand, seven hundred forty".