229399723 has 12 divisors (see below), whose sum is σ = 278456400. Its totient is φ = 188078352.

The previous prime is 229399699. The next prime is 229399763. The reversal of 229399723 is 327993922.

It is not a de Polignac number, because 229399723 - 2¹⁷ = 229268651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229399763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100648 + ... + 102901.

It is an arithmetic number, because the mean of its divisors is an integer number (23204700).

Almost surely, 2^229399723 is an apocalyptic number.

229399723 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

229399723 is a deficient number, since it is larger than the sum of its proper divisors (49056677).

229399723 is a wasteful number, since it uses less digits than its factorization.

229399723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203586 (or 203579 counting only the distinct ones).

The product of its digits is 367416, while the sum is 46.

The square root of 229399723 is about 15145.9474117666. The cubic root of 229399723 is about 612.1590810272.

The spelling of 229399723 in words is "two hundred twenty-nine million, three hundred ninety-nine thousand, seven hundred twenty-three".