2123411042 has 16 divisors (see below), whose sum is σ = 3196158720. Its totient is φ = 1058032368.

The previous prime is 2123411021. The next prime is 2123411047. The reversal of 2123411042 is 2401143212.

It is not an unprimeable number, because it can be changed into a prime (2123411047) 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, 859493 + ... + 861959.

It is an arithmetic number, because the mean of its divisors is an integer number (199759920).

Almost surely, 2^2123411042 is an apocalyptic number.

2123411042 is a deficient number, since it is larger than the sum of its proper divisors (1072747678).

2123411042 is a wasteful number, since it uses less digits than its factorization.

2123411042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2123411042 is about 46080.4843941554. The cubic root of 2123411042 is about 1285.3202716256.

Adding to 2123411042 its reverse (2401143212), we get a palindrome (4524554254).

The spelling of 2123411042 in words is "two billion, one hundred twenty-three million, four hundred eleven thousand, forty-two".