123312232342 has 32 divisors (see below), whose sum is σ = 210942373824. Its totient is φ = 53558323200.

The previous prime is 123312232339. The next prime is 123312232363. The reversal of 123312232342 is 243232213321.

It is a self number, because there is not a number n which added to its sum of digits gives 123312232342.

It is a congruent number.

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, 4548367 + ... + 4575397.

It is an arithmetic number, because the mean of its divisors is an integer number (6591949182).

Almost surely, 2^123312232342 is an apocalyptic number.

123312232342 is a deficient number, since it is larger than the sum of its proper divisors (87630141482).

123312232342 is a wasteful number, since it uses less digits than its factorization.

123312232342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37384.

The product of its digits is 10368, while the sum is 28.

Adding to 123312232342 its reverse (243232213321), we get a palindrome (366544445663).

The spelling of 123312232342 in words is "one hundred twenty-three billion, three hundred twelve million, two hundred thirty-two thousand, three hundred forty-two".