1232403142143 has 32 divisors (see below), whose sum is σ = 1788597683712. Its totient is φ = 751746124800.

The previous prime is 1232403142129. The next prime is 1232403142169. The reversal of 1232403142143 is 3412413042321.

It is not a de Polignac number, because 1232403142143 - 2¹⁶ = 1232403076607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1232403142143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232403142543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 449563 + ... + 1633068.

It is an arithmetic number, because the mean of its divisors is an integer number (55893677616).

Almost surely, 2^{1232403142143} is an apocalyptic number.

1232403142143 is a deficient number, since it is larger than the sum of its proper divisors (556194541569).

1232403142143 is a wasteful number, since it uses less digits than its factorization.

1232403142143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082975.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1232403142143 its reverse (3412413042321), we get a palindrome (4644816184464).

The spelling of 1232403142143 in words is "one trillion, two hundred thirty-two billion, four hundred three million, one hundred forty-two thousand, one hundred forty-three".