2137473723 has 32 divisors (see below), whose sum is σ = 3740221440. Its totient is φ = 1051932960.

The previous prime is 2137473719. The next prime is 2137473769. The reversal of 2137473723 is 3273747312.

It is not a de Polignac number, because 2137473723 - 2² = 2137473719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2137473703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239115 + ... + 247892.

It is an arithmetic number, because the mean of its divisors is an integer number (116881920).

Almost surely, 2^2137473723 is an apocalyptic number.

2137473723 is a deficient number, since it is larger than the sum of its proper divisors (1602747717).

2137473723 is a wasteful number, since it uses less digits than its factorization.

2137473723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487047.

The product of its digits is 148176, while the sum is 39.

The square root of 2137473723 is about 46232.8208419084. The cubic root of 2137473723 is about 1288.1514542509.

It can be divided in two parts, 213747 and 3723, that added together give a triangular number (217470 = T₆₅₉).

The spelling of 2137473723 in words is "two billion, one hundred thirty-seven million, four hundred seventy-three thousand, seven hundred twenty-three".