42323451368 has 128 divisors (see below), whose sum is σ = 94996108800. Its totient is φ = 17466451200.

The previous prime is 42323451343. The next prime is 42323451397. The reversal of 42323451368 is 86315432324.

It is a happy number.

It is a super-2 number, since 2×42323451368² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4139783 + ... + 4149993.

It is an arithmetic number, because the mean of its divisors is an integer number (742157100).

Almost surely, 2^42323451368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42323451368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47498054400).

42323451368 is an abundant number, since it is smaller than the sum of its proper divisors (52672657432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42323451368 is a wasteful number, since it uses less digits than its factorization.

42323451368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10351 (or 10347 counting only the distinct ones).

The product of its digits is 414720, while the sum is 41.

The spelling of 42323451368 in words is "forty-two billion, three hundred twenty-three million, four hundred fifty-one thousand, three hundred sixty-eight".