52431123 has 4 divisors (see below), whose sum is σ = 69908168. Its totient is φ = 34954080.

The previous prime is 52431121. The next prime is 52431131. The reversal of 52431123 is 32113425.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 52431123 - 2¹ = 52431121 is a prime.

It is a super-2 number, since 2×52431123² = 5498045318082258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52431123.

It is not an unprimeable number, because it can be changed into a prime (52431121) 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, 8738518 + ... + 8738523.

It is an arithmetic number, because the mean of its divisors is an integer number (17477042).

Almost surely, 2^52431123 is an apocalyptic number.

52431123 is a deficient number, since it is larger than the sum of its proper divisors (17477045).

52431123 is a wasteful number, since it uses less digits than its factorization.

52431123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17477044.

The product of its digits is 720, while the sum is 21.

The square root of 52431123 is about 7240.9338486137. The cubic root of 52431123 is about 374.2797981547.

Adding to 52431123 its reverse (32113425), we get a palindrome (84544548).

The spelling of 52431123 in words is "fifty-two million, four hundred thirty-one thousand, one hundred twenty-three".