18323000293 has 8 divisors (see below), whose sum is σ = 20066911200. Its totient is φ = 16626867888.

The previous prime is 18323000291. The next prime is 18323000329. The reversal of 18323000293 is 39200032381.

It is the 55262-nd star number.

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 18323000293 - 2¹ = 18323000291 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18323000291) 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, 11943823 + ... + 11945356.

It is an arithmetic number, because the mean of its divisors is an integer number (2508363900).

Almost surely, 2^18323000293 is an apocalyptic number.

18323000293 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

18323000293 is a deficient number, since it is larger than the sum of its proper divisors (1743910907).

18323000293 is a wasteful number, since it uses less digits than its factorization.

18323000293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23889251.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 18323000293 in words is "eighteen billion, three hundred twenty-three million, two hundred ninety-three", and thus it is an aban number.