1242013304323 has 6 divisors (see below), whose sum is σ = 1365188177612. Its totient is φ = 1129103003820.

The previous prime is 1242013304297. The next prime is 1242013304341. The reversal of 1242013304323 is 3234033102421.

It is a happy number.

It is not a de Polignac number, because 1242013304323 - 2²⁵ = 1241979749891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1242013304291 and 1242013304300.

It is not an unprimeable number, because it can be changed into a prime (1242013304353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5132286261 + ... + 5132286502.

Almost surely, 2^{1242013304323} is an apocalyptic number.

1242013304323 is a deficient number, since it is larger than the sum of its proper divisors (123174873289).

1242013304323 is a wasteful number, since it uses less digits than its factorization.

1242013304323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10264572785 (or 10264572774 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1242013304323 its reverse (3234033102421), we get a palindrome (4476046406744).

The spelling of 1242013304323 in words is "one trillion, two hundred forty-two billion, thirteen million, three hundred four thousand, three hundred twenty-three".