423013173 has 32 divisors (see below), whose sum is σ = 631048320. Its totient is φ = 249891840.

The previous prime is 423013153. The next prime is 423013177. The reversal of 423013173 is 371310324.

It is not a de Polignac number, because 423013173 - 2⁵ = 423013141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423013177) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213415 + ... + 215387.

It is an arithmetic number, because the mean of its divisors is an integer number (19720260).

Almost surely, 2^423013173 is an apocalyptic number.

It is an amenable number.

423013173 is a deficient number, since it is larger than the sum of its proper divisors (208035147).

423013173 is a wasteful number, since it uses less digits than its factorization.

423013173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 423013173 is about 20567.2840452987. The cubic root of 423013173 is about 750.6738672448.

Adding to 423013173 its reverse (371310324), we get a palindrome (794323497).

The spelling of 423013173 in words is "four hundred twenty-three million, thirteen thousand, one hundred seventy-three".