420623101672 has 32 divisors (see below), whose sum is σ = 796781952000. Its totient is φ = 208158984000.

The previous prime is 420623101651. The next prime is 420623101687. The reversal of 420623101672 is 276101326024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387579 + ... + 995722.

It is an arithmetic number, because the mean of its divisors is an integer number (24899436000).

Almost surely, 2^420623101672 is an apocalyptic number.

It is an amenable number.

420623101672 is a deficient number, since it is larger than the sum of its proper divisors (376158850328).

420623101672 is a wasteful number, since it uses less digits than its factorization.

420623101672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383697 (or 1383693 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

Adding to 420623101672 its reverse (276101326024), we get a palindrome (696724427696).

The spelling of 420623101672 in words is "four hundred twenty billion, six hundred twenty-three million, one hundred one thousand, six hundred seventy-two".