1142423111311 has 8 divisors (see below), whose sum is σ = 1192155623424. Its totient is φ = 1092695761080.

The previous prime is 1142423111309. The next prime is 1142423111341. The reversal of 1142423111311 is 1131113242411.

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 1142423111311 - 2¹ = 1142423111309 is a prime.

It is a super-2 number, since 2×1142423111311² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142423111341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834771 + ... + 1726756.

It is an arithmetic number, because the mean of its divisors is an integer number (149019452928).

Almost surely, 2^{1142423111311} is an apocalyptic number.

1142423111311 is a deficient number, since it is larger than the sum of its proper divisors (49732512113).

1142423111311 is a wasteful number, since it uses less digits than its factorization.

1142423111311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580941.

The product of its digits is 576, while the sum is 25.

Adding to 1142423111311 its reverse (1131113242411), we get a palindrome (2273536353722).

The spelling of 1142423111311 in words is "one trillion, one hundred forty-two billion, four hundred twenty-three million, one hundred eleven thousand, three hundred eleven".