189235017323 has 24 divisors (see below), whose sum is σ = 210944418048. Its totient is φ = 169614368000.

The previous prime is 189235017287. The next prime is 189235017379. The reversal of 189235017323 is 323710532981.

189235017323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 189235017323 - 2⁶ = 189235017259 is a prime.

It is a super-2 number, since 2×189235017323² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189235017823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2575313 + ... + 2647773.

It is an arithmetic number, because the mean of its divisors is an integer number (8789350752).

Almost surely, 2^189235017323 is an apocalyptic number.

189235017323 is a deficient number, since it is larger than the sum of its proper divisors (21709400725).

189235017323 is a wasteful number, since it uses less digits than its factorization.

189235017323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72787 (or 72776 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 189235017323 in words is "one hundred eighty-nine billion, two hundred thirty-five million, seventeen thousand, three hundred twenty-three".