1233430997 has 2 divisors, whose sum is σ = 1233430998. Its totient is φ = 1233430996.

The previous prime is 1233430949. The next prime is 1233431009. The reversal of 1233430997 is 7990343321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 861481201 + 371949796 = 29351^2 + 19286^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233430997 - 2²⁶ = 1166322133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1233430897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616715498 + 616715499.

It is an arithmetic number, because the mean of its divisors is an integer number (616715499).

Almost surely, 2^1233430997 is an apocalyptic number.

It is an amenable number.

1233430997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233430997 is an equidigital number, since it uses as much as digits as its factorization.

1233430997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 1233430997 is about 35120.2362890684. The cubic root of 1233430997 is about 1072.4365810690.

The spelling of 1233430997 in words is "one billion, two hundred thirty-three million, four hundred thirty thousand, nine hundred ninety-seven".