63123256 has 64 divisors (see below), whose sum is σ = 143078400. Its totient is φ = 25533312.

The previous prime is 63123251. The next prime is 63123257. The reversal of 63123256 is 65232136.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63123251) 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, 75915 + ... + 76741.

It is an arithmetic number, because the mean of its divisors is an integer number (2235600).

Almost surely, 2^63123256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63123256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71539200).

63123256 is an abundant number, since it is smaller than the sum of its proper divisors (79955144).

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

63123256 is a wasteful number, since it uses less digits than its factorization.

63123256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 912 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 63123256 is about 7945.0145374316. The cubic root of 63123256 is about 398.1650452241.

The spelling of 63123256 in words is "sixty-three million, one hundred twenty-three thousand, two hundred fifty-six".