142023111 has 8 divisors (see below), whose sum is σ = 190727040. Its totient is φ = 94000632.

The previous prime is 142023097. The next prime is 142023181. The reversal of 142023111 is 111320241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142023111 - 2¹⁰ = 142022087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142023181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169875 + ... + 170708.

It is an arithmetic number, because the mean of its divisors is an integer number (23840880).

Almost surely, 2^142023111 is an apocalyptic number.

142023111 is a deficient number, since it is larger than the sum of its proper divisors (48703929).

142023111 is a wasteful number, since it uses less digits than its factorization.

142023111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340725.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 142023111 is about 11917.3449643786. The cubic root of 142023111 is about 521.7386464908.

Adding to 142023111 its reverse (111320241), we get a palindrome (253343352).

It can be divided in two parts, 1420 and 23111, that added together give a triangular number (24531 = T₂₂₁).

The spelling of 142023111 in words is "one hundred forty-two million, twenty-three thousand, one hundred eleven".