2031200023 has 4 divisors (see below), whose sum is σ = 2035645120. Its totient is φ = 2026754928.

The previous prime is 2031199981. The next prime is 2031200057. The reversal of 2031200023 is 3200021302.

It is a happy number.

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 2031200023 - 2²¹ = 2029102871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2031199976 and 2031200012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031200123) 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, 2221863 + ... + 2222776.

It is an arithmetic number, because the mean of its divisors is an integer number (508911280).

Almost surely, 2^2031200023 is an apocalyptic number.

2031200023 is a deficient number, since it is larger than the sum of its proper divisors (4445097).

2031200023 is an equidigital number, since it uses as much as digits as its factorization.

2031200023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4445096.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2031200023 is about 45068.8364948553. The cubic root of 2031200023 is about 1266.4388680916.

Adding to 2031200023 its reverse (3200021302), we get a palindrome (5231221325).

The spelling of 2031200023 in words is "two billion, thirty-one million, two hundred thousand, twenty-three".