513202451323 has 8 divisors (see below), whose sum is σ = 515009323008. Its totient is φ = 511398012264.

The previous prime is 513202451287. The next prime is 513202451341. The reversal of 513202451323 is 323154202315.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513202451323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513202451383) 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, 184965 + ... + 1029862.

It is an arithmetic number, because the mean of its divisors is an integer number (64376165376).

Almost surely, 2^513202451323 is an apocalyptic number.

513202451323 is a deficient number, since it is larger than the sum of its proper divisors (1806871685).

513202451323 is a wasteful number, since it uses less digits than its factorization.

513202451323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216313.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 513202451323 its reverse (323154202315), we get a palindrome (836356653638).

The spelling of 513202451323 in words is "five hundred thirteen billion, two hundred two million, four hundred fifty-one thousand, three hundred twenty-three".