2142912723 has 8 divisors (see below), whose sum is σ = 3265390848. Its totient is φ = 1224521544.

The previous prime is 2142912721. The next prime is 2142912749. The reversal of 2142912723 is 3272192412.

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

It is not a de Polignac number, because 2142912723 - 2¹ = 2142912721 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2142912721) 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, 51021711 + ... + 51021752.

It is an arithmetic number, because the mean of its divisors is an integer number (408173856).

Almost surely, 2^2142912723 is an apocalyptic number.

2142912723 is a deficient number, since it is larger than the sum of its proper divisors (1122478125).

2142912723 is a wasteful number, since it uses less digits than its factorization.

2142912723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102043473.

The product of its digits is 12096, while the sum is 33.

The square root of 2142912723 is about 46291.6053188912. The cubic root of 2142912723 is about 1289.2431357349.

The spelling of 2142912723 in words is "two billion, one hundred forty-two million, nine hundred twelve thousand, seven hundred twenty-three".