263474789423 has 16 divisors (see below), whose sum is σ = 272396628000. Its totient is φ = 254703482880.

The previous prime is 263474789419. The next prime is 263474789441. The reversal of 263474789423 is 324987474362.

It is a cyclic number.

It is not a de Polignac number, because 263474789423 - 2² = 263474789419 is a prime.

It is a super-2 number, since 2×263474789423² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263474789623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29770103 + ... + 29778951.

It is an arithmetic number, because the mean of its divisors is an integer number (17024789250).

Almost surely, 2^263474789423 is an apocalyptic number.

263474789423 is a deficient number, since it is larger than the sum of its proper divisors (8921838577).

263474789423 is an equidigital number, since it uses as much as digits as its factorization.

263474789423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17242.

The product of its digits is 48771072, while the sum is 59.

The spelling of 263474789423 in words is "two hundred sixty-three billion, four hundred seventy-four million, seven hundred eighty-nine thousand, four hundred twenty-three".