8317723542 has 16 divisors (see below), whose sum is σ = 17358727680. Its totient is φ = 2652027752.

The previous prime is 8317723541. The next prime is 8317723681. The reversal of 8317723542 is 2453277138.

It is a happy number.

It is a super-2 number, since 2×8317723542² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8317723494 and 8317723503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8317723541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30136542 + ... + 30136817.

It is an arithmetic number, because the mean of its divisors is an integer number (1084920480).

Almost surely, 2^8317723542 is an apocalyptic number.

8317723542 is an abundant number, since it is smaller than the sum of its proper divisors (9041004138).

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

8317723542 is a wasteful number, since it uses less digits than its factorization.

8317723542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60273387.

The product of its digits is 282240, while the sum is 42.

The square root of 8317723542 is about 91201.5544933309. The cubic root of 8317723542 is about 2026.1339819018.

The spelling of 8317723542 in words is "eight billion, three hundred seventeen million, seven hundred twenty-three thousand, five hundred forty-two".