52423431 has 8 divisors (see below), whose sum is σ = 70122480. Its totient is φ = 34836672.

The previous prime is 52423429. The next prime is 52423457. The reversal of 52423431 is 13432425.

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

It is not a de Polignac number, because 52423431 - 2¹ = 52423429 is a prime.

It is a super-2 number, since 2×52423431² = 5496432235623522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52423031) 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, 26976 + ... + 28853.

It is an arithmetic number, because the mean of its divisors is an integer number (8765310).

Almost surely, 2^52423431 is an apocalyptic number.

52423431 is a deficient number, since it is larger than the sum of its proper divisors (17699049).

52423431 is a wasteful number, since it uses less digits than its factorization.

52423431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56145.

The product of its digits is 2880, while the sum is 24.

The square root of 52423431 is about 7240.4026821718. The cubic root of 52423431 is about 374.2614941345.

Adding to 52423431 its reverse (13432425), we get a palindrome (65855856).

The spelling of 52423431 in words is "fifty-two million, four hundred twenty-three thousand, four hundred thirty-one".