4232023121 has 4 divisors (see below), whose sum is σ = 4454761200. Its totient is φ = 4009285044.

The previous prime is 4232023097. The next prime is 4232023123. The reversal of 4232023121 is 1213202324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4232023121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4232023093 and 4232023102.

It is not an unprimeable number, because it can be changed into a prime (4232023123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111369011 + ... + 111369048.

It is an arithmetic number, because the mean of its divisors is an integer number (1113690300).

Almost surely, 2^4232023121 is an apocalyptic number.

It is an amenable number.

4232023121 is a deficient number, since it is larger than the sum of its proper divisors (222738079).

4232023121 is a wasteful number, since it uses less digits than its factorization.

4232023121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222738078.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4232023121 is about 65054.0015756141. The cubic root of 4232023121 is about 1617.5188255109.

Adding to 4232023121 its reverse (1213202324), we get a palindrome (5445225445).

The spelling of 4232023121 in words is "four billion, two hundred thirty-two million, twenty-three thousand, one hundred twenty-one".