2111303023 has 4 divisors (see below), whose sum is σ = 2147087880. Its totient is φ = 2075518168.

The previous prime is 2111303017. The next prime is 2111303057. The reversal of 2111303023 is 3203031112.

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 2111303023 - 2⁹ = 2111302511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2111302988 and 2111303006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111303723) 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, 17892340 + ... + 17892457.

It is an arithmetic number, because the mean of its divisors is an integer number (536771970).

Almost surely, 2^2111303023 is an apocalyptic number.

2111303023 is a deficient number, since it is larger than the sum of its proper divisors (35784857).

2111303023 is an equidigital number, since it uses as much as digits as its factorization.

2111303023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35784856.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2111303023 is about 45948.9175389366. The cubic root of 2111303023 is about 1282.8725815173.

Adding to 2111303023 its reverse (3203031112), we get a palindrome (5314334135).

It can be divided in two parts, 21 and 11303023, that added together give a square (11303044 = 3362²).

The spelling of 2111303023 in words is "two billion, one hundred eleven million, three hundred three thousand, twenty-three".