2142323123 has 8 divisors (see below), whose sum is σ = 2186611200. Its totient is φ = 2098178368.

The previous prime is 2142323101. The next prime is 2142323137. The reversal of 2142323123 is 3213232412.

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 2142323123 - 2¹⁶ = 2142257587 is a prime.

It is a super-3 number, since 3×2142323123³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142323143) 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, 5363 + ... + 65676.

It is an arithmetic number, because the mean of its divisors is an integer number (273326400).

Almost surely, 2^2142323123 is an apocalyptic number.

2142323123 is a deficient number, since it is larger than the sum of its proper divisors (44288077).

2142323123 is an equidigital number, since it uses as much as digits as its factorization.

2142323123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71661.

The product of its digits is 1728, while the sum is 23.

The square root of 2142323123 is about 46285.2365555152. The cubic root of 2142323123 is about 1289.1248843054.

Adding to 2142323123 its reverse (3213232412), we get a palindrome (5355555535).

The spelling of 2142323123 in words is "two billion, one hundred forty-two million, three hundred twenty-three thousand, one hundred twenty-three".