42723399263 has 2 divisors, whose sum is σ = 42723399264. Its totient is φ = 42723399262.

The previous prime is 42723399223. The next prime is 42723399281. The reversal of 42723399263 is 36299332724.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42723399263 - 2³² = 38428431967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42723399223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21361699631 + 21361699632.

It is an arithmetic number, because the mean of its divisors is an integer number (21361699632).

Almost surely, 2^42723399263 is an apocalyptic number.

42723399263 is a deficient number, since it is larger than the sum of its proper divisors (1).

42723399263 is an equidigital number, since it uses as much as digits as its factorization.

42723399263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 50.

The spelling of 42723399263 in words is "forty-two billion, seven hundred twenty-three million, three hundred ninety-nine thousand, two hundred sixty-three".