263843123496 has 64 divisors (see below), whose sum is σ = 724512038400. Its totient is φ = 79696317888.

The previous prime is 263843123483. The next prime is 263843123561. The reversal of 263843123496 is 694321348362.

It is a super-2 number, since 2×263843123496² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12567846 + ... + 12588821.

It is an arithmetic number, because the mean of its divisors is an integer number (11320500600).

Almost surely, 2^263843123496 is an apocalyptic number.

It is an amenable number.

263843123496 is an abundant number, since it is smaller than the sum of its proper divisors (460668914904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

263843123496 is a wasteful number, since it uses less digits than its factorization.

263843123496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25156718 (or 25156714 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 51.

The spelling of 263843123496 in words is "two hundred sixty-three billion, eight hundred forty-three million, one hundred twenty-three thousand, four hundred ninety-six".