420355553023 has 8 divisors (see below), whose sum is σ = 481660674048. Its totient is φ = 359364013944.

The previous prime is 420355553021. The next prime is 420355553027. The reversal of 420355553023 is 320355553024.

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

It is a cyclic number.

It is not a de Polignac number, because 420355553023 - 2¹ = 420355553021 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 (420355553021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78392611 + ... + 78397972.

It is an arithmetic number, because the mean of its divisors is an integer number (60207584256).

Almost surely, 2^420355553023 is an apocalyptic number.

420355553023 is a deficient number, since it is larger than the sum of its proper divisors (61305121025).

420355553023 is a wasteful number, since it uses less digits than its factorization.

420355553023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156790973.

The product of its (nonzero) digits is 270000, while the sum is 37.

Subtracting from 420355553023 its reverse (320355553024), we obtain a palindrome (99999999999).

The spelling of 420355553023 in words is "four hundred twenty billion, three hundred fifty-five million, five hundred fifty-three thousand, twenty-three".