193355230 has 16 divisors (see below), whose sum is σ = 348415344. Its totient is φ = 77258560.

The previous prime is 193355207. The next prime is 193355237. The reversal of 193355230 is 32553391.

It is a junction number, because it is equal to n+sod(n) for n = 193355192 and 193355201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193355237) 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, 247 + ... + 19666.

It is an arithmetic number, because the mean of its divisors is an integer number (21775959).

Almost surely, 2^193355230 is an apocalyptic number.

193355230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

193355230 is a deficient number, since it is larger than the sum of its proper divisors (155060114).

193355230 is a wasteful number, since it uses less digits than its factorization.

193355230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20891.

The product of its (nonzero) digits is 12150, while the sum is 31.

The square root of 193355230 is about 13905.2231193893. The cubic root of 193355230 is about 578.2539941233.

The spelling of 193355230 in words is "one hundred ninety-three million, three hundred fifty-five thousand, two hundred thirty".