1723465216 has 80 divisors (see below), whose sum is σ = 3794364288. Its totient is φ = 775526400.

The previous prime is 1723465199. The next prime is 1723465223. The reversal of 1723465216 is 6125643271.

It is a congruent number.

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, 578611 + ... + 581581.

Almost surely, 2^1723465216 is an apocalyptic number.

1723465216 is a gapful number since it is divisible by the number (16) 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 1723465216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1897182144).

1723465216 is an abundant number, since it is smaller than the sum of its proper divisors (2070899072).

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

1723465216 is a wasteful number, since it uses less digits than its factorization.

1723465216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103 (or 3087 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 1723465216 is about 41514.6385748449. The cubic root of 1723465216 is about 1198.9493618829.

The spelling of 1723465216 in words is "one billion, seven hundred twenty-three million, four hundred sixty-five thousand, two hundred sixteen".