420322001223 has 16 divisors (see below), whose sum is σ = 591961373696. Its totient is φ = 264869075520.

The previous prime is 420322001213. The next prime is 420322001249. The reversal of 420322001223 is 322100223024.

It is not a de Polignac number, because 420322001223 - 2¹⁴ = 420321984839 is a prime.

It is a super-2 number, since 2×420322001223² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420322001223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420322001213) 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, 52549390 + ... + 52557387.

It is an arithmetic number, because the mean of its divisors is an integer number (36997585856).

Almost surely, 2^420322001223 is an apocalyptic number.

420322001223 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

420322001223 is a deficient number, since it is larger than the sum of its proper divisors (171639372473).

420322001223 is a wasteful number, since it uses less digits than its factorization.

420322001223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105106854.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 420322001223 its reverse (322100223024), we get a palindrome (742422224247).

The spelling of 420322001223 in words is "four hundred twenty billion, three hundred twenty-two million, one thousand, two hundred twenty-three".