201023113032 has 96 divisors (see below), whose sum is σ = 622407377280. Its totient is φ = 57417361920.

The previous prime is 201023112991. The next prime is 201023113069. The reversal of 201023113032 is 230311320102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 201023112996 and 201023113014.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1609557 + ... + 1729947.

It is an arithmetic number, because the mean of its divisors is an integer number (6483410180).

Almost surely, 2^201023113032 is an apocalyptic number.

It is an amenable number.

201023113032 is an abundant number, since it is smaller than the sum of its proper divisors (421384264248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201023113032 is a wasteful number, since it uses less digits than its factorization.

201023113032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123723 (or 123716 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 201023113032 its reverse (230311320102), we get a palindrome (431334433134).

The spelling of 201023113032 in words is "two hundred one billion, twenty-three million, one hundred thirteen thousand, thirty-two".