2011000431023 has 4 divisors (see below), whose sum is σ = 2013656971320. Its totient is φ = 2008343890728.

The previous prime is 2011000431007. The next prime is 2011000431053. The reversal of 2011000431023 is 3201340001102.

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 2011000431023 - 2⁴ = 2011000431007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011000430992 and 2011000431010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011000431053) 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, 1328269013 + ... + 1328270526.

It is an arithmetic number, because the mean of its divisors is an integer number (503414242830).

Almost surely, 2^{2011000431023} is an apocalyptic number.

2011000431023 is a deficient number, since it is larger than the sum of its proper divisors (2656540297).

2011000431023 is an equidigital number, since it uses as much as digits as its factorization.

2011000431023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656540296.

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

Adding to 2011000431023 its reverse (3201340001102), we get a palindrome (5212340432125).

The spelling of 2011000431023 in words is "two trillion, eleven billion, four hundred thirty-one thousand, twenty-three".