420432211023 has 16 divisors (see below), whose sum is σ = 611562268800. Its totient is φ = 254797189280.

The previous prime is 420432211019. The next prime is 420432211057. The reversal of 420432211023 is 320112234024.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 420432211023 - 2² = 420432211019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420432210984 and 420432211002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420432211723) 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, 626068 + ... + 1110326.

It is an arithmetic number, because the mean of its divisors is an integer number (38222641800).

Almost surely, 2^420432211023 is an apocalyptic number.

420432211023 is a deficient number, since it is larger than the sum of its proper divisors (191130057777).

420432211023 is a wasteful number, since it uses less digits than its factorization.

420432211023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510582.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 420432211023 its reverse (320112234024), we get a palindrome (740544445047).

The spelling of 420432211023 in words is "four hundred twenty billion, four hundred thirty-two million, two hundred eleven thousand, twenty-three".