2123433333 has 32 divisors (see below), whose sum is σ = 3608985600. Its totient is φ = 1208748528.

The previous prime is 2123433317. The next prime is 2123433343. The reversal of 2123433333 is 3333343212.

It is a happy number.

It is not a de Polignac number, because 2123433333 - 2⁴ = 2123433317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

2123433333 is a modest number, since divided by 33333 gives 21234 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 2123433297 and 2123433306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123433343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28348 + ... + 71066.

It is an arithmetic number, because the mean of its divisors is an integer number (112780800).

Almost surely, 2^2123433333 is an apocalyptic number.

It is an amenable number.

2123433333 is a deficient number, since it is larger than the sum of its proper divisors (1485552267).

2123433333 is a wasteful number, since it uses less digits than its factorization.

2123433333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42998 (or 42992 counting only the distinct ones).

The product of its digits is 11664, while the sum is 27.

The square root of 2123433333 is about 46080.7262638080. The cubic root of 2123433333 is about 1285.3247692591.

Adding to 2123433333 its reverse (3333343212), we get a palindrome (5456776545).

The spelling of 2123433333 in words is "two billion, one hundred twenty-three million, four hundred thirty-three thousand, three hundred thirty-three".