201011232023 has 16 divisors (see below), whose sum is σ = 246666415104. Its totient is φ = 159876366720.

The previous prime is 201011231983. The next prime is 201011232029. The reversal of 201011232023 is 320232110102.

It is not a de Polignac number, because 201011232023 - 2²² = 201007037719 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201011231992 and 201011232010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201011232029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11887115 + ... + 11904012.

It is an arithmetic number, because the mean of its divisors is an integer number (15416650944).

Almost surely, 2^201011232023 is an apocalyptic number.

201011232023 is a deficient number, since it is larger than the sum of its proper divisors (45655183081).

201011232023 is a wasteful number, since it uses less digits than its factorization.

201011232023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23791222.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 201011232023 its reverse (320232110102), we get a palindrome (521243342125).

The spelling of 201011232023 in words is "two hundred one billion, eleven million, two hundred thirty-two thousand, twenty-three".