1230343323142 has 4 divisors (see below), whose sum is σ = 1845514984716. Its totient is φ = 615171661570.

The previous prime is 1230343323137. The next prime is 1230343323163. The reversal of 1230343323142 is 2413233430321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307585830784 + ... + 307585830787.

It is an arithmetic number, because the mean of its divisors is an integer number (461378746179).

Almost surely, 2^{1230343323142} is an apocalyptic number.

1230343323142 is a deficient number, since it is larger than the sum of its proper divisors (615171661574).

1230343323142 is an equidigital number, since it uses as much as digits as its factorization.

1230343323142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615171661573.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 1230343323142 its reverse (2413233430321), we get a palindrome (3643576753463).

The spelling of 1230343323142 in words is "one trillion, two hundred thirty billion, three hundred forty-three million, three hundred twenty-three thousand, one hundred forty-two".