219130923 has 8 divisors (see below), whose sum is σ = 318735936. Its totient is φ = 132806600.

The previous prime is 219130907. The next prime is 219130939. The reversal of 219130923 is 329031912.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (219130907) and next prime (219130939).

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 219130923 - 2⁴ = 219130907 is a prime.

It is a super-3 number, since 3×219130923³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (219130963) 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, 3320133 + ... + 3320198.

It is an arithmetic number, because the mean of its divisors is an integer number (39841992).

Almost surely, 2^219130923 is an apocalyptic number.

219130923 is a deficient number, since it is larger than the sum of its proper divisors (99605013).

219130923 is a wasteful number, since it uses less digits than its factorization.

219130923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6640345.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 219130923 is about 14803.0714042728. The cubic root of 219130923 is about 602.8851074663.

The spelling of 219130923 in words is "two hundred nineteen million, one hundred thirty thousand, nine hundred twenty-three".