423122513 has 8 divisors (see below), whose sum is σ = 481657536. Its totient is φ = 367932400.

The previous prime is 423122489. The next prime is 423122521. The reversal of 423122513 is 315221324.

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

It is not a de Polignac number, because 423122513 - 2⁶ = 423122449 is a prime.

It is a super-2 number, since 2×423122513² = 358065322014870338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (423122573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835958 + ... + 836463.

It is an arithmetic number, because the mean of its divisors is an integer number (60207192).

Almost surely, 2^423122513 is an apocalyptic number.

It is an amenable number.

423122513 is a deficient number, since it is larger than the sum of its proper divisors (58535023).

423122513 is a wasteful number, since it uses less digits than its factorization.

423122513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672455.

The product of its digits is 1440, while the sum is 23.

The square root of 423122513 is about 20569.9419785278. The cubic root of 423122513 is about 750.7385394702.

Adding to 423122513 its reverse (315221324), we get a palindrome (738343837).

The spelling of 423122513 in words is "four hundred twenty-three million, one hundred twenty-two thousand, five hundred thirteen".