420023213034 has 32 divisors (see below), whose sum is σ = 842275609920. Its totient is φ = 139636320000.

The previous prime is 420023213033. The next prime is 420023213041. The reversal of 420023213034 is 430312320024.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 420023212995 and 420023213013.

It is not an unprimeable number, because it can be changed into a prime (420023213033) 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, 22941684 + ... + 22959984.

It is an arithmetic number, because the mean of its divisors is an integer number (26321112810).

Almost surely, 2^420023213034 is an apocalyptic number.

420023213034 is an abundant number, since it is smaller than the sum of its proper divisors (422252396886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420023213034 is a wasteful number, since it uses less digits than its factorization.

420023213034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28246.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 420023213034 its reverse (430312320024), we get a palindrome (850335533058).

The spelling of 420023213034 in words is "four hundred twenty billion, twenty-three million, two hundred thirteen thousand, thirty-four".