490229723 has 4 divisors (see below), whose sum is σ = 490274928. Its totient is φ = 490184520.

The previous prime is 490229671. The next prime is 490229737. The reversal of 490229723 is 327922094.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490229723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490229783) 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, 4490 + ... + 31632.

It is an arithmetic number, because the mean of its divisors is an integer number (122568732).

Almost surely, 2^490229723 is an apocalyptic number.

490229723 is a deficient number, since it is larger than the sum of its proper divisors (45205).

490229723 is a wasteful number, since it uses less digits than its factorization.

490229723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45204.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 490229723 is about 22141.1319268009. The cubic root of 490229723 is about 788.4966994631.

The spelling of 490229723 in words is "four hundred ninety million, two hundred twenty-nine thousand, seven hundred twenty-three".