123461543502256 has 40 divisors (see below), whose sum is σ = 240454291200320. Its totient is φ = 61408844845056.

The previous prime is 123461543502233. The next prime is 123461543502289. The reversal of 123461543502256 is 652205345164321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92667190 + ... + 93990058.

It is an arithmetic number, because the mean of its divisors is an integer number (6011357280008).

Almost surely, 2^{123461543502256} is an apocalyptic number.

123461543502256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

123461543502256 is a deficient number, since it is larger than the sum of its proper divisors (116992747698064).

123461543502256 is a wasteful number, since it uses less digits than its factorization.

123461543502256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353293 (or 1353287 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 49.

Adding to 123461543502256 its reverse (652205345164321), we get a palindrome (775666888666577).

The spelling of 123461543502256 in words is "one hundred twenty-three trillion, four hundred sixty-one billion, five hundred forty-three million, five hundred two thousand, two hundred fifty-six".