2303424421993 has 2 divisors, whose sum is σ = 2303424421994. Its totient is φ = 2303424421992.

The previous prime is 2303424421967. The next prime is 2303424422059. The reversal of 2303424421993 is 3991244243032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1785077700624 + 518346721369 = 1336068^2 + 719963^2 .

It is a cyclic number.

It is not a de Polignac number, because 2303424421993 - 2⁹ = 2303424421481 is a prime.

It is a super-2 number, since 2×2303424421993² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2303424421933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1151712210996 + 1151712210997.

It is an arithmetic number, because the mean of its divisors is an integer number (1151712210997).

Almost surely, 2^{2303424421993} is an apocalyptic number.

It is an amenable number.

2303424421993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2303424421993 is an equidigital number, since it uses as much as digits as its factorization.

2303424421993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 46.

The spelling of 2303424421993 in words is "two trillion, three hundred three billion, four hundred twenty-four million, four hundred twenty-one thousand, nine hundred ninety-three".