18223307356430 has 32 divisors (see below), whose sum is σ = 35822467974240. Its totient is φ = 6619524075520.

The previous prime is 18223307356393. The next prime is 18223307356433. The reversal of 18223307356430 is 3465370332281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18223307356433) 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, 89061659 + ... + 89266038.

It is an arithmetic number, because the mean of its divisors is an integer number (1119452124195).

Almost surely, 2^{18223307356430} is an apocalyptic number.

18223307356430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18223307356430 is a deficient number, since it is larger than the sum of its proper divisors (17599160617810).

18223307356430 is a wasteful number, since it uses less digits than its factorization.

18223307356430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178328644.

The product of its (nonzero) digits is 2177280, while the sum is 47.

The spelling of 18223307356430 in words is "eighteen trillion, two hundred twenty-three billion, three hundred seven million, three hundred fifty-six thousand, four hundred thirty".