263433420127 has 2 divisors, whose sum is σ = 263433420128. Its totient is φ = 263433420126.

The previous prime is 263433420067. The next prime is 263433420137. The reversal of 263433420127 is 721024334362.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263433420127 is a prime.

It is a super-2 number, since 2×263433420127² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263433420137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131716710063 + 131716710064.

It is an arithmetic number, because the mean of its divisors is an integer number (131716710064).

Almost surely, 2^263433420127 is an apocalyptic number.

263433420127 is a deficient number, since it is larger than the sum of its proper divisors (1).

263433420127 is an equidigital number, since it uses as much as digits as its factorization.

263433420127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 37.

Adding to 263433420127 its reverse (721024334362), we get a palindrome (984457754489).

The spelling of 263433420127 in words is "two hundred sixty-three billion, four hundred thirty-three million, four hundred twenty thousand, one hundred twenty-seven".