1230223309 has 16 divisors (see below), whose sum is σ = 1492128000. Its totient is φ = 990146304.

The previous prime is 1230223307. The next prime is 1230223321. The reversal of 1230223309 is 9033220321.

It is not a de Polignac number, because 1230223309 - 2¹ = 1230223307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230223307) 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, 40467 + ... + 64015.

It is an arithmetic number, because the mean of its divisors is an integer number (93258000).

Almost surely, 2^1230223309 is an apocalyptic number.

It is an amenable number.

1230223309 is a deficient number, since it is larger than the sum of its proper divisors (261904691).

1230223309 is a wasteful number, since it uses less digits than its factorization.

1230223309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24012.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 1230223309 is about 35074.5393269819. The cubic root of 1230223309 is about 1071.5061065473.

The spelling of 1230223309 in words is "one billion, two hundred thirty million, two hundred twenty-three thousand, three hundred nine".