180972723 has 8 divisors (see below), whose sum is σ = 242742528. Its totient is φ = 119925704.

The previous prime is 180972719. The next prime is 180972733. The reversal of 180972723 is 327279081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 180972723 - 2² = 180972719 is a prime.

It is a super-2 number, since 2×180972723² = 65502252940069458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (180972713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180111 + ... + 181112.

It is an arithmetic number, because the mean of its divisors is an integer number (30342816).

Almost surely, 2^180972723 is an apocalyptic number.

180972723 is a deficient number, since it is larger than the sum of its proper divisors (61769805).

180972723 is a wasteful number, since it uses less digits than its factorization.

180972723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361393.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 180972723 is about 13452.6102671563. The cubic root of 180972723 is about 565.6368655895.

The spelling of 180972723 in words is "one hundred eighty million, nine hundred seventy-two thousand, seven hundred twenty-three".