232423022421 has 12 divisors (see below), whose sum is σ = 335911092972. Its totient is φ = 154861474176.

The previous prime is 232423022411. The next prime is 232423022437. The reversal of 232423022421 is 124220324232.

232423022421 is a `hidden beast` number, since 2 + 3 + 2 + 4 + 230 + 2 + 2 + 421 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 151433831025 + 80989191396 = 389145^2 + 284586^2 .

It is not a de Polignac number, because 232423022421 - 2¹¹ = 232423020373 is a prime.

It is a super-2 number, since 2×232423022421² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232423022411) 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, 7250406 + ... + 7282391.

It is an arithmetic number, because the mean of its divisors is an integer number (27992591081).

Almost surely, 2^232423022421 is an apocalyptic number.

It is an amenable number.

232423022421 is a deficient number, since it is larger than the sum of its proper divisors (103488070551).

232423022421 is a wasteful number, since it uses less digits than its factorization.

232423022421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14534580 (or 14534577 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 232423022421 its reverse (124220324232), we get a palindrome (356643346653).

The spelling of 232423022421 in words is "two hundred thirty-two billion, four hundred twenty-three million, twenty-two thousand, four hundred twenty-one".