3123244142 has 4 divisors (see below), whose sum is σ = 4684866216. Its totient is φ = 1561622070.

The previous prime is 3123244133. The next prime is 3123244147. The reversal of 3123244142 is 2414423213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2414423213 = 4261 ⋅566633.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123244147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 780811034 + ... + 780811037.

It is an arithmetic number, because the mean of its divisors is an integer number (1171216554).

Almost surely, 2^3123244142 is an apocalyptic number.

3123244142 is a deficient number, since it is larger than the sum of its proper divisors (1561622074).

3123244142 is a wasteful number, since it uses less digits than its factorization.

3123244142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561622073.

The product of its digits is 4608, while the sum is 26.

The square root of 3123244142 is about 55885.9923594455. The cubic root of 3123244142 is about 1461.7349959426.

Adding to 3123244142 its reverse (2414423213), we get a palindrome (5537667355).

The spelling of 3123244142 in words is "three billion, one hundred twenty-three million, two hundred forty-four thousand, one hundred forty-two".