1233198983 has 2 divisors, whose sum is σ = 1233198984. Its totient is φ = 1233198982.

The previous prime is 1233198877. The next prime is 1233199007. The reversal of 1233198983 is 3898913321.

It is a strong prime.

It is an emirp because it is prime and its reverse (3898913321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1233198983 - 2¹⁸ = 1232936839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1233198283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616599491 + 616599492.

It is an arithmetic number, because the mean of its divisors is an integer number (616599492).

Almost surely, 2^1233198983 is an apocalyptic number.

1233198983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233198983 is an equidigital number, since it uses as much as digits as its factorization.

1233198983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 47.

The square root of 1233198983 is about 35116.9329953514. The cubic root of 1233198983 is about 1072.3693334471.

The spelling of 1233198983 in words is "one billion, two hundred thirty-three million, one hundred ninety-eight thousand, nine hundred eighty-three".