490308423 has 64 divisors (see below), whose sum is σ = 773521920. Its totient is φ = 273369600.

The previous prime is 490308419. The next prime is 490308443. The reversal of 490308423 is 324803094.

It is not a de Polignac number, because 490308423 - 2² = 490308419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490308443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2159836 + ... + 2160062.

It is an arithmetic number, because the mean of its divisors is an integer number (12086280).

Almost surely, 2^490308423 is an apocalyptic number.

490308423 is a deficient number, since it is larger than the sum of its proper divisors (283213497).

490308423 is a wasteful number, since it uses less digits than its factorization.

490308423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 490308423 is about 22142.9090907225. The cubic root of 490308423 is about 788.5388914987.

The spelling of 490308423 in words is "four hundred ninety million, three hundred eight thousand, four hundred twenty-three".