2123341042 has 4 divisors (see below), whose sum is σ = 3185011566. Its totient is φ = 1061670520.

The previous prime is 2123341027. The next prime is 2123341049. The reversal of 2123341042 is 2401433212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1450924281 + 672416761 = 38091^2 + 25931^2 .

It is not an unprimeable number, because it can be changed into a prime (2123341049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530835259 + ... + 530835262.

Almost surely, 2^2123341042 is an apocalyptic number.

2123341042 is a deficient number, since it is larger than the sum of its proper divisors (1061670524).

2123341042 is a wasteful number, since it uses less digits than its factorization.

2123341042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061670523.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2123341042 is about 46079.7248472688. The cubic root of 2123341042 is about 1285.3061475887.

Adding to 2123341042 its reverse (2401433212), we get a palindrome (4524774254).

The spelling of 2123341042 in words is "two billion, one hundred twenty-three million, three hundred forty-one thousand, forty-two".