201010182923 has 4 divisors (see below), whose sum is σ = 219283835928. Its totient is φ = 182736529920.

The previous prime is 201010182911. The next prime is 201010182929. The reversal of 201010182923 is 329281010102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201010182923 - 2⁴ = 201010182907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201010182929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9136826486 + ... + 9136826507.

It is an arithmetic number, because the mean of its divisors is an integer number (54820958982).

Almost surely, 2^201010182923 is an apocalyptic number.

201010182923 is a deficient number, since it is larger than the sum of its proper divisors (18273653005).

201010182923 is a wasteful number, since it uses less digits than its factorization.

201010182923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18273653004.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 201010182923 in words is "two hundred one billion, ten million, one hundred eighty-two thousand, nine hundred twenty-three".