214309923 has 4 divisors (see below), whose sum is σ = 285746568. Its totient is φ = 142873280.

The previous prime is 214309919. The next prime is 214309943. The reversal of 214309923 is 329903412.

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

It is a cyclic number.

It is not a de Polignac number, because 214309923 - 2² = 214309919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214309903) 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, 35718318 + ... + 35718323.

It is an arithmetic number, because the mean of its divisors is an integer number (71436642).

Almost surely, 2^214309923 is an apocalyptic number.

214309923 is a deficient number, since it is larger than the sum of its proper divisors (71436645).

214309923 is an equidigital number, since it uses as much as digits as its factorization.

214309923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71436644.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 214309923 is about 14639.3279558865. The cubic root of 214309923 is about 598.4310146066.

The spelling of 214309923 in words is "two hundred fourteen million, three hundred nine thousand, nine hundred twenty-three".