201034022123 has 4 divisors (see below), whose sum is σ = 219309842328. Its totient is φ = 182758201920.

The previous prime is 201034022083. The next prime is 201034022179. The reversal of 201034022123 is 321220430102.

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 201034022123 - 2²² = 201029827819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201034022095 and 201034022104.

It is not an unprimeable number, because it can be changed into a prime (201034022723) 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, 9137910086 + ... + 9137910107.

It is an arithmetic number, because the mean of its divisors is an integer number (54827460582).

Almost surely, 2^201034022123 is an apocalyptic number.

201034022123 is a deficient number, since it is larger than the sum of its proper divisors (18275820205).

201034022123 is a wasteful number, since it uses less digits than its factorization.

201034022123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18275820204.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 201034022123 its reverse (321220430102), we get a palindrome (522254452225).

The spelling of 201034022123 in words is "two hundred one billion, thirty-four million, twenty-two thousand, one hundred twenty-three".