3123231542 has 4 divisors (see below), whose sum is σ = 4684847316. Its totient is φ = 1561615770.

The previous prime is 3123231523. The next prime is 3123231577. The reversal of 3123231542 is 2451323213.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2451323213 = 22963 ⋅106751.

It is a congruent number.

It is an unprimeable number.

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, 780807884 + ... + 780807887.

It is an arithmetic number, because the mean of its divisors is an integer number (1171211829).

Almost surely, 2^3123231542 is an apocalyptic number.

3123231542 is a deficient number, since it is larger than the sum of its proper divisors (1561615774).

3123231542 is a wasteful number, since it uses less digits than its factorization.

3123231542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561615773.

The product of its digits is 4320, while the sum is 26.

The square root of 3123231542 is about 55885.8796298314. The cubic root of 3123231542 is about 1461.7330302636.

Adding to 3123231542 its reverse (2451323213), we get a palindrome (5574554755).

The spelling of 3123231542 in words is "three billion, one hundred twenty-three million, two hundred thirty-one thousand, five hundred forty-two".