2033423021 has 16 divisors (see below), whose sum is σ = 2447846400. Its totient is φ = 1686701520.

The previous prime is 2033423017. The next prime is 2033423027. The reversal of 2033423021 is 1203243302.

It is not a de Polignac number, because 2033423021 - 2² = 2033423017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2033422984 and 2033423002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2033423027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84986 + ... + 106251.

It is an arithmetic number, because the mean of its divisors is an integer number (152990400).

Almost surely, 2^2033423021 is an apocalyptic number.

It is an amenable number.

2033423021 is a deficient number, since it is larger than the sum of its proper divisors (414423379).

2033423021 is an equidigital number, since it uses as much as digits as its factorization.

2033423021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191289 (or 191275 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2033423021 is about 45093.4920027270. The cubic root of 2033423021 is about 1266.9007075002.

Adding to 2033423021 its reverse (1203243302), we get a palindrome (3236666323).

The spelling of 2033423021 in words is "two billion, thirty-three million, four hundred twenty-three thousand, twenty-one".