123433231442 has 8 divisors (see below), whose sum is σ = 185154061296. Its totient is φ = 61715211012.

The previous prime is 123433231429. The next prime is 123433231499. The reversal of 123433231442 is 244132334321.

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

It is a junction number, because it is equal to n+sod(n) for n = 123433231399 and 123433231408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588848 + ... + 770459.

It is an arithmetic number, because the mean of its divisors is an integer number (23144257662).

Almost surely, 2^123433231442 is an apocalyptic number.

123433231442 is a deficient number, since it is larger than the sum of its proper divisors (61720829854).

123433231442 is a wasteful number, since it uses less digits than its factorization.

123433231442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404712.

The product of its digits is 41472, while the sum is 32.

Adding to 123433231442 its reverse (244132334321), we get a palindrome (367565565763).

The spelling of 123433231442 in words is "one hundred twenty-three billion, four hundred thirty-three million, two hundred thirty-one thousand, four hundred forty-two".