123432244042 has 16 divisors (see below), whose sum is σ = 185444163072. Its totient is φ = 61617587440.

The previous prime is 123432244007. The next prime is 123432244049. The reversal of 123432244042 is 240442234321.

It is a junction number, because it is equal to n+sod(n) for n = 123432243995 and 123432244013.

It is not an unprimeable number, because it can be changed into a prime (123432244049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4260867 + ... + 4289737.

It is an arithmetic number, because the mean of its divisors is an integer number (11590260192).

Almost surely, 2^123432244042 is an apocalyptic number.

123432244042 is a deficient number, since it is larger than the sum of its proper divisors (62011919030).

123432244042 is a wasteful number, since it uses less digits than its factorization.

123432244042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32213.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 123432244042 its reverse (240442234321), we get a palindrome (363874478363).

The spelling of 123432244042 in words is "one hundred twenty-three billion, four hundred thirty-two million, two hundred forty-four thousand, forty-two".