232420221423 has 32 divisors (see below), whose sum is σ = 371881708800. Its totient is φ = 142615569888.

The previous prime is 232420221413. The next prime is 232420221431. The reversal of 232420221423 is 324122024232.

232420221423 is a `hidden beast` number, since 2 + 3 + 2 + 420 + 2 + 214 + 23 = 666.

It is not a de Polignac number, because 232420221423 - 2⁸ = 232420221167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232420221413) 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, 832333 + ... + 1075926.

It is an arithmetic number, because the mean of its divisors is an integer number (11621303400).

Almost surely, 2^232420221423 is an apocalyptic number.

232420221423 is a deficient number, since it is larger than the sum of its proper divisors (139461487377).

232420221423 is a wasteful number, since it uses less digits than its factorization.

232420221423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908628 (or 1908622 counting only the distinct ones).

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

Adding to 232420221423 its reverse (324122024232), we get a palindrome (556542245655).

The spelling of 232420221423 in words is "two hundred thirty-two billion, four hundred twenty million, two hundred twenty-one thousand, four hundred twenty-three".