513214223623 has 2 divisors, whose sum is σ = 513214223624. Its totient is φ = 513214223622.

The previous prime is 513214223573. The next prime is 513214223671. The reversal of 513214223623 is 326322412315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 513214223623 - 2⁹ = 513214223111 is a prime.

It is a super-2 number, since 2×513214223623² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513214223023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256607111811 + 256607111812.

It is an arithmetic number, because the mean of its divisors is an integer number (256607111812).

Almost surely, 2^513214223623 is an apocalyptic number.

513214223623 is a deficient number, since it is larger than the sum of its proper divisors (1).

513214223623 is an equidigital number, since it uses as much as digits as its factorization.

513214223623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 34.

Adding to 513214223623 its reverse (326322412315), we get a palindrome (839536635938).

The spelling of 513214223623 in words is "five hundred thirteen billion, two hundred fourteen million, two hundred twenty-three thousand, six hundred twenty-three".