4030121223 has 14 divisors (see below), whose sum is σ = 6042418784. Its totient is φ = 2686746996.

The previous prime is 4030121209. The next prime is 4030121231. The reversal of 4030121223 is 3221210304.

It is not a de Polignac number, because 4030121223 - 2⁸ = 4030120967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4030121196 and 4030121205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4030121233) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2763415 + ... + 2764872.

Almost surely, 2^4030121223 is an apocalyptic number.

4030121223 is a deficient number, since it is larger than the sum of its proper divisors (2012297561).

4030121223 is an frugal number, since it uses more digits than its factorization.

4030121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5528305 (or 5528290 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 4030121223 is about 63483.2357634675. The cubic root of 4030121223 is about 1591.3756304265.

Adding to 4030121223 its reverse (3221210304), we get a palindrome (7251331527).

The spelling of 4030121223 in words is "four billion, thirty million, one hundred twenty-one thousand, two hundred twenty-three".