42123332345 has 8 divisors (see below), whose sum is σ = 50549123520. Its totient is φ = 33697916080.

The previous prime is 42123332327. The next prime is 42123332357. The reversal of 42123332345 is 54323332124.

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

It is not a de Polignac number, because 42123332345 - 2⁶ = 42123332281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317450 + ... + 430140.

It is an arithmetic number, because the mean of its divisors is an integer number (6318640440).

Almost surely, 2^42123332345 is an apocalyptic number.

It is an amenable number.

42123332345 is a deficient number, since it is larger than the sum of its proper divisors (8425791175).

42123332345 is a wasteful number, since it uses less digits than its factorization.

42123332345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187455.

The product of its digits is 51840, while the sum is 32.

Adding to 42123332345 its reverse (54323332124), we get a palindrome (96446664469).

The spelling of 42123332345 in words is "forty-two billion, one hundred twenty-three million, three hundred thirty-two thousand, three hundred forty-five".