4233023421 has 32 divisors (see below), whose sum is σ = 6197807616. Its totient is φ = 2548584000.

The previous prime is 4233023407. The next prime is 4233023491. The reversal of 4233023421 is 1243203324.

It is not a de Polignac number, because 4233023421 - 2¹⁰ = 4233022397 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4233023391 and 4233023400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4233023401) 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, 5219106 + ... + 5219916.

It is an arithmetic number, because the mean of its divisors is an integer number (193681488).

Almost surely, 2^4233023421 is an apocalyptic number.

It is an amenable number.

4233023421 is a deficient number, since it is larger than the sum of its proper divisors (1964784195).

4233023421 is a wasteful number, since it uses less digits than its factorization.

4233023421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 4233023421 is about 65061.6893494167. The cubic root of 4233023421 is about 1617.6462568104.

Adding to 4233023421 its reverse (1243203324), we get a palindrome (5476226745).

The spelling of 4233023421 in words is "four billion, two hundred thirty-three million, twenty-three thousand, four hundred twenty-one".