513204153140323 has 4 divisors (see below), whose sum is σ = 513205517561440. Its totient is φ = 513202788719208.

The previous prime is 513204153140303. The next prime is 513204153140383. The reversal of 513204153140323 is 323041351402315.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513204153140323 is a prime.

It is a super-2 number, since 2×513204153140323² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513204153140303) 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, 681646203 + ... + 682398676.

It is an arithmetic number, because the mean of its divisors is an integer number (128301379390360).

Almost surely, 2^{513204153140323} is an apocalyptic number.

513204153140323 is a deficient number, since it is larger than the sum of its proper divisors (1364421117).

513204153140323 is a wasteful number, since it uses less digits than its factorization.

513204153140323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364421116.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 513204153140323 in words is "five hundred thirteen trillion, two hundred four billion, one hundred fifty-three million, one hundred forty thousand, three hundred twenty-three".