2142123330 has 32 divisors (see below), whose sum is σ = 5217833664. Its totient is φ = 562706496.

The previous prime is 2142123307. The next prime is 2142123341. The reversal of 2142123330 is 333212412.

It is a junction number, because it is equal to n+sod(n) for n = 2142123297 and 2142123306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530857 + ... + 534876.

It is an arithmetic number, because the mean of its divisors is an integer number (163057302).

Almost surely, 2^2142123330 is an apocalyptic number.

2142123330 is an abundant number, since it is smaller than the sum of its proper divisors (3075710334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2142123330 is a wasteful number, since it uses less digits than its factorization.

2142123330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065810.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2142123330 is about 46283.0782252002. The cubic root of 2142123330 is about 1289.0848084749.

Adding to 2142123330 its reverse (333212412), we get a palindrome (2475335742).

The spelling of 2142123330 in words is "two billion, one hundred forty-two million, one hundred twenty-three thousand, three hundred thirty".