42023908345 has 8 divisors (see below), whose sum is σ = 50720186376. Its totient is φ = 33424795776.

The previous prime is 42023908313. The next prime is 42023908361. The reversal of 42023908345 is 54380932024.

It can be written as a sum of positive squares in 4 ways, for example, as 1982297529 + 40041610816 = 44523^2 + 200104^2 .

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

It is not a de Polignac number, because 42023908345 - 2⁵ = 42023908313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42023908298 and 42023908307.

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, 24290412 + ... + 24292141.

It is an arithmetic number, because the mean of its divisors is an integer number (6340023297).

Almost surely, 2^42023908345 is an apocalyptic number.

It is an amenable number.

42023908345 is a deficient number, since it is larger than the sum of its proper divisors (8696278031).

42023908345 is a wasteful number, since it uses less digits than its factorization.

42023908345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48582731.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 42023908345 in words is "forty-two billion, twenty-three million, nine hundred eight thousand, three hundred forty-five".