123432363234321 has 16 divisors (see below), whose sum is σ = 169987192112640. Its totient is φ = 79586069160960.

The previous prime is 123432363234319. The next prime is 123432363234391.

123432363234321 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 123432363234321 - 2¹ = 123432363234319 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123432363234311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397457040 + ... + 397767473.

It is an arithmetic number, because the mean of its divisors is an integer number (10624199507040).

Almost surely, 2^{123432363234321} is an apocalyptic number.

It is an amenable number.

123432363234321 is a deficient number, since it is larger than the sum of its proper divisors (46554828878319).

123432363234321 is a wasteful number, since it uses less digits than its factorization.

123432363234321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795226216.

The product of its digits is 1119744, while the sum is 42.

The spelling of 123432363234321 in words is "one hundred twenty-three trillion, four hundred thirty-two billion, three hundred sixty-three million, two hundred thirty-four thousand, three hundred twenty-one".