2198931323 has 2 divisors, whose sum is σ = 2198931324. Its totient is φ = 2198931322.

The previous prime is 2198931299. The next prime is 2198931337. The reversal of 2198931323 is 3231398912.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2198931323 is a prime.

It is not a weakly prime, because it can be changed into another prime (2198931373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099465661 + 1099465662.

It is an arithmetic number, because the mean of its divisors is an integer number (1099465662).

Almost surely, 2^2198931323 is an apocalyptic number.

2198931323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2198931323 is an equidigital number, since it uses as much as digits as its factorization.

2198931323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 41.

The square root of 2198931323 is about 46892.7640793332. The cubic root of 2198931323 is about 1300.3808199905.

The spelling of 2198931323 in words is "two billion, one hundred ninety-eight million, nine hundred thirty-one thousand, three hundred twenty-three".