423401023101 has 16 divisors (see below), whose sum is σ = 645814456448. Its totient is φ = 241706462400.

The previous prime is 423401023099. The next prime is 423401023121. The reversal of 423401023101 is 101320104324.

It is not a de Polignac number, because 423401023101 - 2¹ = 423401023099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423401023121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9852190 + ... + 9895071.

It is an arithmetic number, because the mean of its divisors is an integer number (40363403528).

Almost surely, 2^423401023101 is an apocalyptic number.

It is an amenable number.

423401023101 is a deficient number, since it is larger than the sum of its proper divisors (222413433347).

423401023101 is a wasteful number, since it uses less digits than its factorization.

423401023101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19748292.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 423401023101 its reverse (101320104324), we get a palindrome (524721127425).

The spelling of 423401023101 in words is "four hundred twenty-three billion, four hundred one million, twenty-three thousand, one hundred one".