1442100311123 has 4 divisors (see below), whose sum is σ = 1444230445200. Its totient is φ = 1439970177048.

The previous prime is 1442100311117. The next prime is 1442100311129. The reversal of 1442100311123 is 3211130012441.

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

It is an interprime number because it is at equal distance from previous prime (1442100311117) and next prime (1442100311129).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1442100311123 is a prime.

It is a super-3 number, since 3×1442100311123³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442100311129) 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, 1065066023 + ... + 1065067376.

It is an arithmetic number, because the mean of its divisors is an integer number (361057611300).

Almost surely, 2^{1442100311123} is an apocalyptic number.

1442100311123 is a deficient number, since it is larger than the sum of its proper divisors (2130134077).

1442100311123 is an equidigital number, since it uses as much as digits as its factorization.

1442100311123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130134076.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1442100311123 its reverse (3211130012441), we get a palindrome (4653230323564).

The spelling of 1442100311123 in words is "one trillion, four hundred forty-two billion, one hundred million, three hundred eleven thousand, one hundred twenty-three".