123032542 has 8 divisors (see below), whose sum is σ = 184732632. Its totient is φ = 61455000.

The previous prime is 123032501. The next prime is 123032549. The reversal of 123032542 is 245230321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123032549) 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 in 3 ways as a sum of consecutive naturals, for example, 28084 + ... + 32167.

It is an arithmetic number, because the mean of its divisors is an integer number (23091579).

Almost surely, 2^123032542 is an apocalyptic number.

123032542 is a deficient number, since it is larger than the sum of its proper divisors (61700090).

123032542 is a wasteful number, since it uses less digits than its factorization.

123032542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61274.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 123032542 is about 11092.0035160470. The cubic root of 123032542 is about 497.3628378725.

Adding to 123032542 its reverse (245230321), we get a palindrome (368262863).

The spelling of 123032542 in words is "one hundred twenty-three million, thirty-two thousand, five hundred forty-two".