2304400305997 has 2 divisors, whose sum is σ = 2304400305998. Its totient is φ = 2304400305996.

The previous prime is 2304400305983. The next prime is 2304400306007. The reversal of 2304400305997 is 7995030044032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1922246375401 + 382153930596 = 1386451^2 + 618186^2 .

It is a cyclic number.

It is not a de Polignac number, because 2304400305997 - 2²³ = 2304391917389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2304400305947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1152200152998 + 1152200152999.

It is an arithmetic number, because the mean of its divisors is an integer number (1152200152999).

Almost surely, 2^{2304400305997} is an apocalyptic number.

It is an amenable number.

2304400305997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2304400305997 is an equidigital number, since it uses as much as digits as its factorization.

2304400305997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 46.

The spelling of 2304400305997 in words is "two trillion, three hundred four billion, four hundred million, three hundred five thousand, nine hundred ninety-seven".