18336123045 has 48 divisors (see below), whose sum is σ = 32985014400. Its totient is φ = 9411480960.

The previous prime is 18336123023. The next prime is 18336123049. The reversal of 18336123045 is 54032163381.

18336123045 is a `hidden beast` number, since 1 + 8 + 3 + 3 + 612 + 30 + 4 + 5 = 666.

It is not a de Polignac number, because 18336123045 - 2⁸ = 18336122789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18336123049) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 383266 + ... + 428444.

It is an arithmetic number, because the mean of its divisors is an integer number (687187800).

Almost surely, 2^18336123045 is an apocalyptic number.

18336123045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18336123045 is a deficient number, since it is larger than the sum of its proper divisors (14648891355).

18336123045 is a wasteful number, since it uses less digits than its factorization.

18336123045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45530 (or 45527 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 18336123045 in words is "eighteen billion, three hundred thirty-six million, one hundred twenty-three thousand, forty-five".