232190421 has 8 divisors (see below), whose sum is σ = 317138304. Its totient is φ = 151018080.

The previous prime is 232190407. The next prime is 232190449. The reversal of 232190421 is 124091232.

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

It is not a de Polignac number, because 232190421 - 2⁵ = 232190389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 232190391 and 232190400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232190821) 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, 943741 + ... + 943986.

It is an arithmetic number, because the mean of its divisors is an integer number (39642288).

Almost surely, 2^232190421 is an apocalyptic number.

It is an amenable number.

232190421 is a deficient number, since it is larger than the sum of its proper divisors (84947883).

232190421 is a wasteful number, since it uses less digits than its factorization.

232190421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887771.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 232190421 is about 15237.7958051681. The cubic root of 232190421 is about 614.6314322791.

It can be divided in two parts, 232 and 190421, that added together give a triangular number (190653 = T₆₁₇).

The spelling of 232190421 in words is "two hundred thirty-two million, one hundred ninety thousand, four hundred twenty-one".