101142423 has 12 divisors (see below), whose sum is σ = 150043608. Its totient is φ = 65605680.

The previous prime is 101142397. The next prime is 101142439. The reversal of 101142423 is 324241101.

101142423 is a `hidden beast` number, since 101 + 142 + 423 = 666.

It is not a de Polignac number, because 101142423 - 2²⁴ = 84365207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101142396 and 101142405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101142443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151533 + ... + 152198.

It is an arithmetic number, because the mean of its divisors is an integer number (12503634).

Almost surely, 2^101142423 is an apocalyptic number.

101142423 is a deficient number, since it is larger than the sum of its proper divisors (48901185).

101142423 is a wasteful number, since it uses less digits than its factorization.

101142423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303774 (or 303771 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 101142423 is about 10056.9589339919. The cubic root of 101142423 is about 465.9197473962.

Adding to 101142423 its reverse (324241101), we get a palindrome (425383524).

It can be divided in two parts, 1011 and 42423, that added together give a palindrome (43434).

The spelling of 101142423 in words is "one hundred one million, one hundred forty-two thousand, four hundred twenty-three".