52142823 has 12 divisors (see below), whose sum is σ = 76050000. Its totient is φ = 34423776.

The previous prime is 52142813. The next prime is 52142851. The reversal of 52142823 is 32824125.

It is not a de Polignac number, because 52142823 - 2⁶ = 52142759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52142803) 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, 27198 + ... + 29051.

It is an arithmetic number, because the mean of its divisors is an integer number (6337500).

Almost surely, 2^52142823 is an apocalyptic number.

52142823 is a deficient number, since it is larger than the sum of its proper divisors (23907177).

52142823 is a wasteful number, since it uses less digits than its factorization.

52142823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56358 (or 56355 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 52142823 is about 7220.9987536351. The cubic root of 52142823 is about 373.5925266591.

Adding to 52142823 its reverse (32824125), we get a palindrome (84966948).

The spelling of 52142823 in words is "fifty-two million, one hundred forty-two thousand, eight hundred twenty-three".