142235042523 has 16 divisors (see below), whose sum is σ = 218727548160. Its totient is φ = 80531503776.

The previous prime is 142235042459. The next prime is 142235042557. The reversal of 142235042523 is 325240532241.

It is not a de Polignac number, because 142235042523 - 2⁶ = 142235042459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142235042023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31066965 + ... + 31071542.

It is an arithmetic number, because the mean of its divisors is an integer number (13670471760).

Almost surely, 2^142235042523 is an apocalyptic number.

142235042523 is a deficient number, since it is larger than the sum of its proper divisors (76492505637).

142235042523 is a wasteful number, since it uses less digits than its factorization.

142235042523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62138626.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 142235042523 its reverse (325240532241), we get a palindrome (467475574764).

The spelling of 142235042523 in words is "one hundred forty-two billion, two hundred thirty-five million, forty-two thousand, five hundred twenty-three".