20243430232049 has 2 divisors, whose sum is σ = 20243430232050. Its totient is φ = 20243430232048.

The previous prime is 20243430231991. The next prime is 20243430232057. The reversal of 20243430232049 is 94023203434202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14200348672225 + 6043081559824 = 3768335^2 + 2458268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20243430232049 is a prime.

It is not a weakly prime, because it can be changed into another prime (20243430232099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10121715116024 + 10121715116025.

It is an arithmetic number, because the mean of its divisors is an integer number (10121715116025).

Almost surely, 2^{20243430232049} is an apocalyptic number.

It is an amenable number.

20243430232049 is a deficient number, since it is larger than the sum of its proper divisors (1).

20243430232049 is an equidigital number, since it uses as much as digits as its factorization.

20243430232049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 38.

The spelling of 20243430232049 in words is "twenty trillion, two hundred forty-three billion, four hundred thirty million, two hundred thirty-two thousand, forty-nine".