420373223425 has 24 divisors (see below), whose sum is σ = 534210469056. Its totient is φ = 327969445440.

The previous prime is 420373223419. The next prime is 420373223447. The reversal of 420373223425 is 524322373024.

It is not a de Polignac number, because 420373223425 - 2²⁵ = 420339668993 is a prime.

It is a super-3 number, since 3×420373223425³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 393327 + ... + 997723.

It is an arithmetic number, because the mean of its divisors is an integer number (22258769544).

Almost surely, 2^420373223425 is an apocalyptic number.

It is an amenable number.

420373223425 is a deficient number, since it is larger than the sum of its proper divisors (113837245631).

420373223425 is a wasteful number, since it uses less digits than its factorization.

420373223425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605097 (or 605092 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 37.

Adding to 420373223425 its reverse (524322373024), we get a palindrome (944695596449).

The spelling of 420373223425 in words is "four hundred twenty billion, three hundred seventy-three million, two hundred twenty-three thousand, four hundred twenty-five".