52123433 has 4 divisors (see below), whose sum is σ = 53106948. Its totient is φ = 51139920.

The previous prime is 52123427. The next prime is 52123447. The reversal of 52123433 is 33432125.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18344089 + 33779344 = 4283^2 + 5812^2 .

It is a cyclic number.

It is not a de Polignac number, because 52123433 - 2¹⁴ = 52107049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52123399 and 52123408.

It is not an unprimeable number, because it can be changed into a prime (52123033) 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, 491678 + ... + 491783.

It is an arithmetic number, because the mean of its divisors is an integer number (13276737).

Almost surely, 2^52123433 is an apocalyptic number.

52123433 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

52123433 is a deficient number, since it is larger than the sum of its proper divisors (983515).

52123433 is an equidigital number, since it uses as much as digits as its factorization.

52123433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983514.

The product of its digits is 2160, while the sum is 23.

The square root of 52123433 is about 7219.6560167365. The cubic root of 52123433 is about 373.5462124732.

Adding to 52123433 its reverse (33432125), we get a palindrome (85555558).

The spelling of 52123433 in words is "fifty-two million, one hundred twenty-three thousand, four hundred thirty-three".