193420231 has 8 divisors (see below), whose sum is σ = 198732240. Its totient is φ = 188176128.

The previous prime is 193420219. The next prime is 193420243. The reversal of 193420231 is 132024391.

It is an interprime number because it is at equal distance from previous prime (193420219) and next prime (193420243).

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 193420231 - 2⁷ = 193420103 is a prime.

It is a super-2 number, since 2×193420231² = 74822771520186722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 193420196 and 193420205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193420261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11176 + ... + 22621.

It is an arithmetic number, because the mean of its divisors is an integer number (24841530).

Almost surely, 2^193420231 is an apocalyptic number.

193420231 is a deficient number, since it is larger than the sum of its proper divisors (5312009).

193420231 is an equidigital number, since it uses as much as digits as its factorization.

193420231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33953.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 193420231 is about 13907.5602101878. The cubic root of 193420231 is about 578.3187848485.

The spelling of 193420231 in words is "one hundred ninety-three million, four hundred twenty thousand, two hundred thirty-one".