18023149333 has 16 divisors (see below), whose sum is σ = 21696784000. Its totient is φ = 14625349632.

The previous prime is 18023149321. The next prime is 18023149373. The reversal of 18023149333 is 33394132081.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 18023149333 - 2⁹ = 18023148821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18023149292 and 18023149301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18023149373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152533 + ... + 243541.

It is an arithmetic number, because the mean of its divisors is an integer number (1356049000).

Almost surely, 2^18023149333 is an apocalyptic number.

It is an amenable number.

18023149333 is a deficient number, since it is larger than the sum of its proper divisors (3673634667).

18023149333 is a wasteful number, since it uses less digits than its factorization.

18023149333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92524.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 18023149333 in words is "eighteen billion, twenty-three million, one hundred forty-nine thousand, three hundred thirty-three".