52123402 has 8 divisors (see below), whose sum is σ = 79467012. Its totient is φ = 25634400.

The previous prime is 52123399. The next prime is 52123427. The reversal of 52123402 is 20432125.

52123402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 35058241 + 17065161 = 5921^2 + 4131^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 52123402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213499 + ... + 213742.

Almost surely, 2^52123402 is an apocalyptic number.

52123402 is a deficient number, since it is larger than the sum of its proper divisors (27343610).

52123402 is a wasteful number, since it uses less digits than its factorization.

52123402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427304.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 52123402 is about 7219.6538698195. The cubic root of 52123402 is about 373.5461384186.

Adding to 52123402 its reverse (20432125), we get a palindrome (72555527).

It can be divided in two parts, 52123 and 402, that added together give a palindrome (52525).

The spelling of 52123402 in words is "fifty-two million, one hundred twenty-three thousand, four hundred two".