2323991686 has 8 divisors (see below), whose sum is σ = 3490029504. Its totient is φ = 1160648520.

The previous prime is 2323991671. The next prime is 2323991687. The reversal of 2323991686 is 6861993232.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2323991687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671505 + ... + 674956.

It is an arithmetic number, because the mean of its divisors is an integer number (436253688).

Almost surely, 2^2323991686 is an apocalyptic number.

2323991686 is a deficient number, since it is larger than the sum of its proper divisors (1166037818).

2323991686 is a wasteful number, since it uses less digits than its factorization.

2323991686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347326.

The product of its digits is 839808, while the sum is 49.

The square root of 2323991686 is about 48207.7969419885. The cubic root of 2323991686 is about 1324.5799900037.

It can be divided in two parts, 2323 and 991686, that added together give a square (994009 = 997²).

The spelling of 2323991686 in words is "two billion, three hundred twenty-three million, nine hundred ninety-one thousand, six hundred eighty-six".