142023635311 has 4 divisors (see below), whose sum is σ = 142139763792. Its totient is φ = 141907506832.

The previous prime is 142023635309. The next prime is 142023635353. The reversal of 142023635311 is 113536320241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113536320241 = 17 ⋅6678607073.

It is a cyclic number.

It is not a de Polignac number, because 142023635311 - 2¹ = 142023635309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142023636311) 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, 58062406 + ... + 58064851.

It is an arithmetic number, because the mean of its divisors is an integer number (35534940948).

Almost surely, 2^142023635311 is an apocalyptic number.

142023635311 is a deficient number, since it is larger than the sum of its proper divisors (116128481).

142023635311 is a wasteful number, since it uses less digits than its factorization.

142023635311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116128480.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 142023635311 its reverse (113536320241), we get a palindrome (255559955552).

The spelling of 142023635311 in words is "one hundred forty-two billion, twenty-three million, six hundred thirty-five thousand, three hundred eleven".