9723178252 has 12 divisors (see below), whose sum is σ = 17032984920. Its totient is φ = 4856611136.

The previous prime is 9723178243. The next prime is 9723178349. The reversal of 9723178252 is 2528713279.

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, 1240102 + ... + 1247917.

It is an arithmetic number, because the mean of its divisors is an integer number (1419415410).

Almost surely, 2^9723178252 is an apocalyptic number.

It is an amenable number.

9723178252 is a deficient number, since it is larger than the sum of its proper divisors (7309806668).

9723178252 is a wasteful number, since it uses less digits than its factorization.

9723178252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489000 (or 2488998 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The square root of 9723178252 is about 98606.1775549585. The cubic root of 9723178252 is about 2134.3685644089.

The spelling of 9723178252 in words is "nine billion, seven hundred twenty-three million, one hundred seventy-eight thousand, two hundred fifty-two".