2123333011 has 16 divisors (see below), whose sum is σ = 2281478400. Its totient is φ = 1969969248.

The previous prime is 2123332987. The next prime is 2123333059. The reversal of 2123333011 is 1103333212.

It is not a de Polignac number, because 2123333011 - 2¹⁵ = 2123300243 is a prime.

It is a super-2 number, since 2×2123333011² = 9017086151204652242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2123333011.

It is not an unprimeable number, because it can be changed into a prime (2123333081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 649900 + ... + 653158.

It is an arithmetic number, because the mean of its divisors is an integer number (142592400).

Almost surely, 2^2123333011 is an apocalyptic number.

2123333011 is a deficient number, since it is larger than the sum of its proper divisors (158145389).

2123333011 is a wasteful number, since it uses less digits than its factorization.

2123333011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3978.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2123333011 is about 46079.6377047390. The cubic root of 2123333011 is about 1285.3045271382.

Adding to 2123333011 its reverse (1103333212), we get a palindrome (3226666223).

The spelling of 2123333011 in words is "two billion, one hundred twenty-three million, three hundred thirty-three thousand, eleven".