51523323 has 8 divisors (see below), whose sum is σ = 68736000. Its totient is φ = 34329768.

The previous prime is 51523313. The next prime is 51523337. The reversal of 51523323 is 32332515.

It is a happy number.

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

It is not a de Polignac number, because 51523323 - 2⁵ = 51523291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51523293 and 51523302.

It is not an unprimeable number, because it can be changed into a prime (51523313) 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, 3618 + ... + 10776.

It is an arithmetic number, because the mean of its divisors is an integer number (8592000).

Almost surely, 2^51523323 is an apocalyptic number.

51523323 is a deficient number, since it is larger than the sum of its proper divisors (17212677).

51523323 is a wasteful number, since it uses less digits than its factorization.

51523323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9561.

The product of its digits is 2700, while the sum is 24.

The square root of 51523323 is about 7177.9748536757. The cubic root of 51523323 is about 372.1070986003.

Adding to 51523323 its reverse (32332515), we get a palindrome (83855838).

The spelling of 51523323 in words is "fifty-one million, five hundred twenty-three thousand, three hundred twenty-three".