3123240042 has 32 divisors (see below), whose sum is σ = 6737548608. Its totient is φ = 959486976.

The previous prime is 3123240019. The next prime is 3123240061. The reversal of 3123240042 is 2400423213.

3123240042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 19018 + ... + 81290.

It is an arithmetic number, because the mean of its divisors is an integer number (210548394).

Almost surely, 2^3123240042 is an apocalyptic number.

3123240042 is an abundant number, since it is smaller than the sum of its proper divisors (3614308566).

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

3123240042 is a wasteful number, since it uses less digits than its factorization.

3123240042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62934.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3123240042 is about 55885.9556776119. The cubic root of 3123240042 is about 1461.7343563174.

Adding to 3123240042 its reverse (2400423213), we get a palindrome (5523663255).

The spelling of 3123240042 in words is "three billion, one hundred twenty-three million, two hundred forty thousand, forty-two".