158923223 has 4 divisors (see below), whose sum is σ = 159104088. Its totient is φ = 158742360.

The previous prime is 158923217. The next prime is 158923243. The reversal of 158923223 is 322329851.

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 158923223 - 2¹² = 158919127 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 (158923243) 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, 89108 + ... + 90873.

It is an arithmetic number, because the mean of its divisors is an integer number (39776022).

Almost surely, 2^158923223 is an apocalyptic number.

158923223 is a deficient number, since it is larger than the sum of its proper divisors (180865).

158923223 is an equidigital number, since it uses as much as digits as its factorization.

158923223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180864.

The product of its digits is 25920, while the sum is 35.

The square root of 158923223 is about 12606.4754392336. The cubic root of 158923223 is about 541.6629383991.

The spelling of 158923223 in words is "one hundred fifty-eight million, nine hundred twenty-three thousand, two hundred twenty-three".