423210245 has 16 divisors (see below), whose sum is σ = 518253120. Its totient is φ = 331674624.

The previous prime is 423210239. The next prime is 423210283. The reversal of 423210245 is 542012324.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 423210245 - 2¹⁰ = 423209221 is a prime.

It is a super-2 number, since 2×423210245² = 358213822945920050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 423210245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88229 + ... + 92901.

It is an arithmetic number, because the mean of its divisors is an integer number (32390820).

Almost surely, 2^423210245 is an apocalyptic number.

It is an amenable number.

423210245 is a deficient number, since it is larger than the sum of its proper divisors (95042875).

423210245 is a wasteful number, since it uses less digits than its factorization.

423210245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5044.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 423210245 is about 20572.0743971044. The cubic root of 423210245 is about 750.7904229790.

Adding to 423210245 its reverse (542012324), we get a palindrome (965222569).

The spelling of 423210245 in words is "four hundred twenty-three million, two hundred ten thousand, two hundred forty-five".