1232143464442 has 32 divisors (see below), whose sum is σ = 2064876582528. Its totient is φ = 546709800000.

The previous prime is 1232143464427. The next prime is 1232143464451. The reversal of 1232143464442 is 2444643412321.

It is a junction number, because it is equal to n+sod(n) for n = 1232143464395 and 1232143464404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3747309 + ... + 4062832.

It is an arithmetic number, because the mean of its divisors is an integer number (64527393204).

Almost surely, 2^{1232143464442} is an apocalyptic number.

1232143464442 is a deficient number, since it is larger than the sum of its proper divisors (832733118086).

1232143464442 is a wasteful number, since it uses less digits than its factorization.

1232143464442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7810326.

The product of its digits is 442368, while the sum is 40.

Adding to 1232143464442 its reverse (2444643412321), we get a palindrome (3676786876763).

The spelling of 1232143464442 in words is "one trillion, two hundred thirty-two billion, one hundred forty-three million, four hundred sixty-four thousand, four hundred forty-two".