142004111123 has 32 divisors (see below), whose sum is σ = 168553920000. Its totient is φ = 117054637056.

The previous prime is 142004111107. The next prime is 142004111131. The reversal of 142004111123 is 321111400241.

It is not a de Polignac number, because 142004111123 - 2⁴ = 142004111107 is a prime.

It is a super-2 number, since 2×142004111123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142004111095 and 142004111104.

It is not an unprimeable number, because it can be changed into a prime (142004131123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68171840 + ... + 68173922.

It is an arithmetic number, because the mean of its divisors is an integer number (5267310000).

Almost surely, 2^142004111123 is an apocalyptic number.

142004111123 is a deficient number, since it is larger than the sum of its proper divisors (26549808877).

142004111123 is a wasteful number, since it uses less digits than its factorization.

142004111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 142004111123 its reverse (321111400241), we get a palindrome (463115511364).

The spelling of 142004111123 in words is "one hundred forty-two billion, four million, one hundred eleven thousand, one hundred twenty-three".