298296398623 has 2 divisors, whose sum is σ = 298296398624. Its totient is φ = 298296398622.

The previous prime is 298296398591. The next prime is 298296398639. The reversal of 298296398623 is 326893692892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 298296398623 - 2⁵ = 298296398591 is a prime.

It is a super-2 number, since 2×298296398623² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298296392623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149148199311 + 149148199312.

It is an arithmetic number, because the mean of its divisors is an integer number (149148199312).

Almost surely, 2^298296398623 is an apocalyptic number.

298296398623 is a deficient number, since it is larger than the sum of its proper divisors (1).

298296398623 is an equidigital number, since it uses as much as digits as its factorization.

298296398623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120932352, while the sum is 67.

The spelling of 298296398623 in words is "two hundred ninety-eight billion, two hundred ninety-six million, three hundred ninety-eight thousand, six hundred twenty-three".