420234324101 has 16 divisors (see below), whose sum is σ = 431133418800. Its totient is φ = 409366732800.

The previous prime is 420234324089. The next prime is 420234324157. The reversal of 420234324101 is 101423432024.

It can be written as a sum of positive squares in 8 ways, for example, as 101489393476 + 318744930625 = 318574^2 + 564575^2 .

It is a cyclic number.

It is not a de Polignac number, because 420234324101 - 2²² = 420230129797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420234324161) 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, 106955105 + ... + 106959033.

It is an arithmetic number, because the mean of its divisors is an integer number (26945838675).

Almost surely, 2^420234324101 is an apocalyptic number.

420234324101 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

420234324101 is a deficient number, since it is larger than the sum of its proper divisors (10899094699).

420234324101 is a wasteful number, since it uses less digits than its factorization.

420234324101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7240.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 420234324101 its reverse (101423432024), we get a palindrome (521657756125).

The spelling of 420234324101 in words is "four hundred twenty billion, two hundred thirty-four million, three hundred twenty-four thousand, one hundred one".