19231230 has 32 divisors (see below), whose sum is σ = 48585600. Its totient is φ = 4858272.

The previous prime is 19231189. The next prime is 19231237. The reversal of 19231230 is 3213291.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 19231197 and 19231206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19231237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16300 + ... + 17439.

It is an arithmetic number, because the mean of its divisors is an integer number (1518300).

Almost surely, 2^19231230 is an apocalyptic number.

19231230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19231230 is an abundant number, since it is smaller than the sum of its proper divisors (29354370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19231230 is a wasteful number, since it uses less digits than its factorization.

19231230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33768.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 19231230 is about 4385.3426319958. The cubic root of 19231230 is about 267.9182846584.

The spelling of 19231230 in words is "nineteen million, two hundred thirty-one thousand, two hundred thirty".