2133022123 has 4 divisors (see below), whose sum is σ = 2206574640. Its totient is φ = 2059469608.

The previous prime is 2133022121. The next prime is 2133022219. The reversal of 2133022123 is 3212203312.

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 2133022123 - 2¹ = 2133022121 is a prime.

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 2133022123.

It is not an unprimeable number, because it can be changed into a prime (2133022121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36776215 + ... + 36776272.

It is an arithmetic number, because the mean of its divisors is an integer number (551643660).

Almost surely, 2^2133022123 is an apocalyptic number.

2133022123 is a deficient number, since it is larger than the sum of its proper divisors (73552517).

2133022123 is an equidigital number, since it uses as much as digits as its factorization.

2133022123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73552516.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2133022123 is about 46184.6524616133. The cubic root of 2133022123 is about 1287.2565784564.

Adding to 2133022123 its reverse (3212203312), we get a palindrome (5345225435).

It can be divided in two parts, 2133022 and 123, that added together give a triangular number (2133145 = T₂₀₆₅).

The spelling of 2133022123 in words is "two billion, one hundred thirty-three million, twenty-two thousand, one hundred twenty-three".