523221341252351 has 4 divisors (see below), whose sum is σ = 597967247145552. Its totient is φ = 448475435359152.

The previous prime is 523221341252321. The next prime is 523221341252353. The reversal of 523221341252351 is 153252143122325.

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

It is a cyclic number.

It is not a de Polignac number, because 523221341252351 - 2¹⁸ = 523221340990207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 523221341252299 and 523221341252308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523221341252353) 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, 37372952946590 + ... + 37372952946603.

It is an arithmetic number, because the mean of its divisors is an integer number (149491811786388).

Almost surely, 2^{523221341252351} is an apocalyptic number.

523221341252351 is a deficient number, since it is larger than the sum of its proper divisors (74745905893201).

523221341252351 is an equidigital number, since it uses as much as digits as its factorization.

523221341252351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74745905893200.

The product of its digits is 432000, while the sum is 41.

Adding to 523221341252351 its reverse (153252143122325), we get a palindrome (676473484374676).

The spelling of 523221341252351 in words is "five hundred twenty-three trillion, two hundred twenty-one billion, three hundred forty-one million, two hundred fifty-two thousand, three hundred fifty-one".