243120104299 has 2 divisors, whose sum is σ = 243120104300. Its totient is φ = 243120104298.

The previous prime is 243120104261. The next prime is 243120104327. The reversal of 243120104299 is 992401021342.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243120104299 is a prime.

It is a super-2 number, since 2×243120104299² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (243120104599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121560052149 + 121560052150.

It is an arithmetic number, because the mean of its divisors is an integer number (121560052150).

Almost surely, 2^243120104299 is an apocalyptic number.

243120104299 is a deficient number, since it is larger than the sum of its proper divisors (1).

243120104299 is an equidigital number, since it uses as much as digits as its factorization.

243120104299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 243120104299 in words is "two hundred forty-three billion, one hundred twenty million, one hundred four thousand, two hundred ninety-nine".