513456523000 has 64 divisors (see below), whose sum is σ = 1217947180320. Its totient is φ = 202569120000.

The previous prime is 513456522967. The next prime is 513456523087. The reversal of 513456523000 is 325654315.

It is a super-2 number, since 2×513456523000² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3443826 + ... + 3589825.

Almost surely, 2^513456523000 is an apocalyptic number.

513456523000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

513456523000 is an abundant number, since it is smaller than the sum of its proper divisors (704490657320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513456523000 is a wasteful number, since it uses less digits than its factorization.

513456523000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7033745 (or 7033731 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 513456523000 in words is "five hundred thirteen billion, four hundred fifty-six million, five hundred twenty-three thousand".