4023233122221 has 12 divisors (see below), whose sum is σ = 6064003546848. Its totient is φ = 2565539961864.

The previous prime is 4023233122217. The next prime is 4023233122291. The reversal of 4023233122221 is 1222213323204.

4023233122221 is a `hidden beast` number, since 4 + 0 + 2 + 323 + 312 + 2 + 2 + 21 = 666.

It is not a de Polignac number, because 4023233122221 - 2² = 4023233122217 is a prime.

It is a super-2 number, since 2×4023233122221² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023233122201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9717954195 + ... + 9717954608.

It is an arithmetic number, because the mean of its divisors is an integer number (505333628904).

Almost surely, 2^{4023233122221} is an apocalyptic number.

It is an amenable number.

4023233122221 is a deficient number, since it is larger than the sum of its proper divisors (2040770424627).

4023233122221 is a wasteful number, since it uses less digits than its factorization.

4023233122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19435908832 (or 19435908829 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 4023233122221 its reverse (1222213323204), we get a palindrome (5245446445425).

The spelling of 4023233122221 in words is "four trillion, twenty-three billion, two hundred thirty-three million, one hundred twenty-two thousand, two hundred twenty-one".