1142304234523 has 4 divisors (see below), whose sum is σ = 1191969636048. Its totient is φ = 1092638833000.

The previous prime is 1142304234517. The next prime is 1142304234559. The reversal of 1142304234523 is 3254324032411.

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

It is a cyclic number.

It is not a de Polignac number, because 1142304234523 - 2²¹ = 1142302137371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142304234023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24832700728 + ... + 24832700773.

It is an arithmetic number, because the mean of its divisors is an integer number (297992409012).

Almost surely, 2^{1142304234523} is an apocalyptic number.

1142304234523 is a deficient number, since it is larger than the sum of its proper divisors (49665401525).

1142304234523 is an equidigital number, since it uses as much as digits as its factorization.

1142304234523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49665401524.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 1142304234523 its reverse (3254324032411), we get a palindrome (4396628266934).

The spelling of 1142304234523 in words is "one trillion, one hundred forty-two billion, three hundred four million, two hundred thirty-four thousand, five hundred twenty-three".