423700013 has 12 divisors (see below), whose sum is σ = 466223520. Its totient is φ = 384765480.

The previous prime is 423699979. The next prime is 423700049. The reversal of 423700013 is 310007324.

It is not a de Polignac number, because 423700013 - 2¹⁸ = 423437869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423700213) 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, 193358 + ... + 195536.

It is an arithmetic number, because the mean of its divisors is an integer number (38851960).

Almost surely, 2^423700013 is an apocalyptic number.

It is an amenable number.

423700013 is a deficient number, since it is larger than the sum of its proper divisors (42523507).

423700013 is a wasteful number, since it uses less digits than its factorization.

423700013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808 (or 3797 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 423700013 is about 20583.9746647726. The cubic root of 423700013 is about 751.0799334305.

Adding to 423700013 its reverse (310007324), we get a palindrome (733707337).

The spelling of 423700013 in words is "four hundred twenty-three million, seven hundred thousand, thirteen".