513426923 has 8 divisors (see below), whose sum is σ = 526094448. Its totient is φ = 500792544.

The previous prime is 513426883. The next prime is 513426937. The reversal of 513426923 is 329624315.

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

It is a cyclic number.

It is not a de Polignac number, because 513426923 - 2¹⁸ = 513164779 is a prime.

It is a super-2 number, since 2×513426923² = 527214410522495858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513426943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24665 + ... + 40437.

It is an arithmetic number, because the mean of its divisors is an integer number (65761806).

Almost surely, 2^513426923 is an apocalyptic number.

513426923 is a deficient number, since it is larger than the sum of its proper divisors (12667525).

513426923 is a wasteful number, since it uses less digits than its factorization.

513426923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16573.

The product of its digits is 38880, while the sum is 35.

The square root of 513426923 is about 22658.9259012867. The cubic root of 513426923 is about 800.7424997170.

The spelling of 513426923 in words is "five hundred thirteen million, four hundred twenty-six thousand, nine hundred twenty-three".