12323456890 has 32 divisors (see below), whose sum is σ = 22489068096. Its totient is φ = 4861658880.

The previous prime is 12323456869. The next prime is 12323456897. The reversal of 12323456890 is 9865432321.

It is not an unprimeable number, because it can be changed into a prime (12323456897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184674 + ... + 242386.

It is an arithmetic number, because the mean of its divisors is an integer number (702783378).

Almost surely, 2^12323456890 is an apocalyptic number.

12323456890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12323456890 is a deficient number, since it is larger than the sum of its proper divisors (10165611206).

12323456890 is a wasteful number, since it uses less digits than its factorization.

12323456890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58014.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 12323456890 in words is "twelve billion, three hundred twenty-three million, four hundred fifty-six thousand, eight hundred ninety".