123321401542143 has 48 divisors (see below), whose sum is σ = 210422577331200. Its totient is φ = 68139320696640.

The previous prime is 123321401542117. The next prime is 123321401542153. The reversal of 123321401542143 is 341245104123321.

123321401542143 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 214 + 0 + 15 + 421 + 4 + 3 = 666.

It is not a de Polignac number, because 123321401542143 - 2⁵ = 123321401542111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123321401542098 and 123321401542107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123321401542153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 271721383 + ... + 272174856.

It is an arithmetic number, because the mean of its divisors is an integer number (4383803694400).

Almost surely, 2^{123321401542143} is an apocalyptic number.

123321401542143 is a deficient number, since it is larger than the sum of its proper divisors (87101175789057).

123321401542143 is a wasteful number, since it uses less digits than its factorization.

123321401542143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543896372 (or 543896369 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 123321401542143 its reverse (341245104123321), we get a palindrome (464566505665464).

The spelling of 123321401542143 in words is "one hundred twenty-three trillion, three hundred twenty-one billion, four hundred one million, five hundred forty-two thousand, one hundred forty-three".