201113023 has 4 divisors (see below), whose sum is σ = 201153160. Its totient is φ = 201072888.

The previous prime is 201112991. The next prime is 201113069. The reversal of 201113023 is 320311102.

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 201113023 - 2⁵ = 201112991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201112994 and 201113012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201110023) 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, 11265 + ... + 23002.

It is an arithmetic number, because the mean of its divisors is an integer number (50288290).

Almost surely, 2^201113023 is an apocalyptic number.

201113023 is a deficient number, since it is larger than the sum of its proper divisors (40137).

201113023 is an equidigital number, since it uses as much as digits as its factorization.

201113023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40136.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 201113023 is about 14181.4323324550. The cubic root of 201113023 is about 585.8863744330.

Adding to 201113023 its reverse (320311102), we get a palindrome (521424125).

The spelling of 201113023 in words is "two hundred one million, one hundred thirteen thousand, twenty-three".