232042421 has 8 divisors (see below), whose sum is σ = 263044320. Its totient is φ = 202919472.

The previous prime is 232042357. The next prime is 232042483. The reversal of 232042421 is 124240232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 232042421 - 2⁶ = 232042357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 232042393 and 232042402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232042621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469475 + ... + 469968.

It is an arithmetic number, because the mean of its divisors is an integer number (32880540).

Almost surely, 2^232042421 is an apocalyptic number.

It is an amenable number.

232042421 is a deficient number, since it is larger than the sum of its proper divisors (31001899).

232042421 is a wasteful number, since it uses less digits than its factorization.

232042421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939475.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 232042421 is about 15232.9386856246. The cubic root of 232042421 is about 614.5008142203.

Adding to 232042421 its reverse (124240232), we get a palindrome (356282653).

The spelling of 232042421 in words is "two hundred thirty-two million, forty-two thousand, four hundred twenty-one".