2142235123 has 16 divisors (see below), whose sum is σ = 2601227520. Its totient is φ = 1723290336.

The previous prime is 2142235091. The next prime is 2142235141. The reversal of 2142235123 is 3215322412.

It is a cyclic number.

It is not a de Polignac number, because 2142235123 - 2⁵ = 2142235091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142232123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61036 + ... + 89497.

It is an arithmetic number, because the mean of its divisors is an integer number (162576720).

Almost surely, 2^2142235123 is an apocalyptic number.

2142235123 is a deficient number, since it is larger than the sum of its proper divisors (458992397).

2142235123 is a wasteful number, since it uses less digits than its factorization.

2142235123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150666.

The product of its digits is 2880, while the sum is 25.

The square root of 2142235123 is about 46284.2859186571. The cubic root of 2142235123 is about 1289.1072329776.

Adding to 2142235123 its reverse (3215322412), we get a palindrome (5357557535).

The spelling of 2142235123 in words is "two billion, one hundred forty-two million, two hundred thirty-five thousand, one hundred twenty-three".