2180476923 has 8 divisors (see below), whose sum is σ = 2934474048. Its totient is φ = 1440065544.

The previous prime is 2180476901. The next prime is 2180476927. The reversal of 2180476923 is 3296740812.

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

It is not a de Polignac number, because 2180476923 - 2²⁰ = 2179428347 is a prime.

It is a super-2 number, since 2×2180476923² = 9508959223471095858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2180476927) 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, 3396061 + ... + 3396702.

It is an arithmetic number, because the mean of its divisors is an integer number (366809256).

Almost surely, 2^2180476923 is an apocalyptic number.

2180476923 is a deficient number, since it is larger than the sum of its proper divisors (753997125).

2180476923 is a wasteful number, since it uses less digits than its factorization.

2180476923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6792873.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 2180476923 is about 46695.5771246057. The cubic root of 2180476923 is about 1296.7328061358.

The spelling of 2180476923 in words is "two billion, one hundred eighty million, four hundred seventy-six thousand, nine hundred twenty-three".