1230233219 has 4 divisors (see below), whose sum is σ = 1230696480. Its totient is φ = 1229769960.

The previous prime is 1230233161. The next prime is 1230233231. The reversal of 1230233219 is 9123320321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230233219 is a prime.

It is a super-2 number, since 2×1230233219² = 3026947546262203922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230233119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227624 + ... + 232965.

It is an arithmetic number, because the mean of its divisors is an integer number (307674120).

Almost surely, 2^1230233219 is an apocalyptic number.

1230233219 is a deficient number, since it is larger than the sum of its proper divisors (463261).

1230233219 is an equidigital number, since it uses as much as digits as its factorization.

1230233219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463260.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 1230233219 is about 35074.6805972627. The cubic root of 1230233219 is about 1071.5089836935.

The spelling of 1230233219 in words is "one billion, two hundred thirty million, two hundred thirty-three thousand, two hundred nineteen".