229542923 has 2 divisors, whose sum is σ = 229542924. Its totient is φ = 229542922.

The previous prime is 229542919. The next prime is 229542961. The reversal of 229542923 is 329245922.

229542923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (229542961) can be obtained adding 229542923 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 229542923 - 2² = 229542919 is a prime.

It is not a weakly prime, because it can be changed into another prime (229542913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114771461 + 114771462.

It is an arithmetic number, because the mean of its divisors is an integer number (114771462).

Almost surely, 2^229542923 is an apocalyptic number.

229542923 is a deficient number, since it is larger than the sum of its proper divisors (1).

229542923 is an equidigital number, since it uses as much as digits as its factorization.

229542923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 38.

The square root of 229542923 is about 15150.6740114095. The cubic root of 229542923 is about 612.2864321636.

The spelling of 229542923 in words is "two hundred twenty-nine million, five hundred forty-two thousand, nine hundred twenty-three".