123282445456 has 45 divisors (see below), whose sum is σ = 243008536953. Its totient is φ = 60588576960.

The previous prime is 123282445453. The next prime is 123282445463. The reversal of 123282445456 is 654544282321.

The square root of 123282445456 is 351116.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4008915856 + 119273529600 = 63316^2 + 345360^2 .

It is a super-2 number, since 2×123282445456² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123282445453) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 85671585 + ... + 85673023.

Almost surely, 2^123282445456 is an apocalyptic number.

123282445456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

123282445456 is the 351116-th square number.

It is an amenable number.

123282445456 is a deficient number, since it is larger than the sum of its proper divisors (119726091497).

123282445456 is an frugal number, since it uses more digits than its factorization.

123282445456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008 (or 1502 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 46.

The spelling of 123282445456 in words is "one hundred twenty-three billion, two hundred eighty-two million, four hundred forty-five thousand, four hundred fifty-six".