308223923 has 8 divisors (see below), whose sum is σ = 372976992. Its totient is φ = 248651136.

The previous prime is 308223901. The next prime is 308223931. The reversal of 308223923 is 329322803.

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 308223923 - 2¹⁰ = 308222899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 308223923.

It is not an unprimeable number, because it can be changed into a prime (308223973) 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, 1294940 + ... + 1295177.

It is an arithmetic number, because the mean of its divisors is an integer number (46622124).

Almost surely, 2^308223923 is an apocalyptic number.

308223923 is a deficient number, since it is larger than the sum of its proper divisors (64753069).

308223923 is a wasteful number, since it uses less digits than its factorization.

308223923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590141.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 308223923 is about 17556.3072142179. The cubic root of 308223923 is about 675.4949624351.

The spelling of 308223923 in words is "three hundred eight million, two hundred twenty-three thousand, nine hundred twenty-three".