18950734323 has 18 divisors (see below), whose sum is σ = 28390323052. Its totient is φ = 12632392260.

The previous prime is 18950734267. The next prime is 18950734367. The reversal of 18950734323 is 32343705981.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

18950734323 is a `hidden beast` number, since 1 + 89 + 507 + 3 + 43 + 23 = 666.

It is not a de Polignac number, because 18950734323 - 2⁸ = 18950734067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18950734393) 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 17 ways as a sum of consecutive naturals, for example, 2141518 + ... + 2150348.

Almost surely, 2^18950734323 is an apocalyptic number.

18950734323 is a deficient number, since it is larger than the sum of its proper divisors (9439588729).

18950734323 is an frugal number, since it uses more digits than its factorization.

18950734323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17677 (or 8834 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 18950734323 in words is "eighteen billion, nine hundred fifty million, seven hundred thirty-four thousand, three hundred twenty-three".