1242034134223 has 8 divisors (see below), whose sum is σ = 1282389764096. Its totient is φ = 1201696630200.

The previous prime is 1242034134203. The next prime is 1242034134227. The reversal of 1242034134223 is 3224314302421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1242034134223 - 2²⁵ = 1242000579791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242034134227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4392123 + ... + 4666348.

It is an arithmetic number, because the mean of its divisors is an integer number (160298720512).

Almost surely, 2^{1242034134223} is an apocalyptic number.

1242034134223 is a deficient number, since it is larger than the sum of its proper divisors (40355629873).

1242034134223 is an equidigital number, since it uses as much as digits as its factorization.

1242034134223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9062925.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 1242034134223 its reverse (3224314302421), we get a palindrome (4466348436644).

The spelling of 1242034134223 in words is "one trillion, two hundred forty-two billion, thirty-four million, one hundred thirty-four thousand, two hundred twenty-three".