115223403456 has 168 divisors, whose sum is σ = 378642981600. Its totient is φ = 32816756736.

The previous prime is 115223403431. The next prime is 115223403457. The reversal of 115223403456 is 654304322511.

115223403456 is a `hidden beast` number, since 11 + 522 + 3 + 40 + 34 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 115223403456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115223403457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1233070 + ... + 1323218.

Almost surely, 2^115223403456 is an apocalyptic number.

115223403456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115223403456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189321490800).

115223403456 is an abundant number, since it is smaller than the sum of its proper divisors (263419578144).

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

115223403456 is a wasteful number, since it uses less digits than its factorization.

115223403456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90491 (or 90478 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 115223403456 its reverse (654304322511), we get a palindrome (769527725967).

The spelling of 115223403456 in words is "one hundred fifteen billion, two hundred twenty-three million, four hundred three thousand, four hundred fifty-six".