123331342563 has 96 divisors (see below), whose sum is σ = 211865734080. Its totient is φ = 68151352320.

The previous prime is 123331342543. The next prime is 123331342577. The reversal of 123331342563 is 365243133321.

123331342563 is a `hidden beast` number, since 1 + 2 + 33 + 31 + 34 + 2 + 563 = 666.

It is not a de Polignac number, because 123331342563 - 2⁹ = 123331342051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123331342523) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 52324381 + ... + 52326737.

It is an arithmetic number, because the mean of its divisors is an integer number (2206934730).

Almost surely, 2^123331342563 is an apocalyptic number.

123331342563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123331342563 is a deficient number, since it is larger than the sum of its proper divisors (88534391517).

123331342563 is a wasteful number, since it uses less digits than its factorization.

123331342563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869 (or 2866 counting only the distinct ones).

The product of its digits is 116640, while the sum is 36.

Adding to 123331342563 its reverse (365243133321), we get a palindrome (488574475884).

It can be divided in two parts, 12333 and 1342563, that added together give a square (1354896 = 1164²).

The spelling of 123331342563 in words is "one hundred twenty-three billion, three hundred thirty-one million, three hundred forty-two thousand, five hundred sixty-three".