12263722993 has 2 divisors, whose sum is σ = 12263722994. Its totient is φ = 12263722992.

The previous prime is 12263722987. The next prime is 12263723047. The reversal of 12263722993 is 39922736221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9577166769 + 2686556224 = 97863^2 + 51832^2 .

It is an emirp because it is prime and its reverse (39922736221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12263722993 is a prime.

It is a super-3 number, since 3×12263722993³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12263722903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6131861496 + 6131861497.

It is an arithmetic number, because the mean of its divisors is an integer number (6131861497).

Almost surely, 2^12263722993 is an apocalyptic number.

It is an amenable number.

12263722993 is a deficient number, since it is larger than the sum of its proper divisors (1).

12263722993 is an equidigital number, since it uses as much as digits as its factorization.

12263722993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 46.

The spelling of 12263722993 in words is "twelve billion, two hundred sixty-three million, seven hundred twenty-two thousand, nine hundred ninety-three".