2011023023 has 8 divisors (see below), whose sum is σ = 2148462720. Its totient is φ = 1876743000.

The previous prime is 2011023017. The next prime is 2011023031. The reversal of 2011023023 is 3203201102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011023023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011022989 and 2011023007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011023013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788603 + ... + 791148.

It is an arithmetic number, because the mean of its divisors is an integer number (268557840).

Almost surely, 2^2011023023 is an apocalyptic number.

2011023023 is a deficient number, since it is larger than the sum of its proper divisors (137439697).

2011023023 is a wasteful number, since it uses less digits than its factorization.

2011023023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579837.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2011023023 is about 44844.4313488308. The cubic root of 2011023023 is about 1262.2315001735.

Adding to 2011023023 its reverse (3203201102), we get a palindrome (5214224125).

The spelling of 2011023023 in words is "two billion, eleven million, twenty-three thousand, twenty-three".