423002523 has 8 divisors (see below), whose sum is σ = 564106048. Its totient is φ = 281950344.

The previous prime is 423002521. The next prime is 423002527. The reversal of 423002523 is 325200324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 423002523 - 2¹ = 423002521 is a prime.

It is a super-2 number, since 2×423002523² = 357862268928731058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423002523.

It is not an unprimeable number, because it can be changed into a prime (423002521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15036 + ... + 32742.

It is an arithmetic number, because the mean of its divisors is an integer number (70513256).

Almost surely, 2^423002523 is an apocalyptic number.

423002523 is a deficient number, since it is larger than the sum of its proper divisors (141103525).

423002523 is a wasteful number, since it uses less digits than its factorization.

423002523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25673.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 423002523 is about 20567.0251373406. The cubic root of 423002523 is about 750.6675674065.

Adding to 423002523 its reverse (325200324), we get a palindrome (748202847).

The spelling of 423002523 in words is "four hundred twenty-three million, two thousand, five hundred twenty-three".