421311433123100 has 108 divisors (see below), whose sum is σ = 997539270041160. Its totient is φ = 154373654073600.

The previous prime is 421311433123079. The next prime is 421311433123103. The reversal of 421311433123100 is 1321334113124.

It is a super-2 number, since 2×421311433123100² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421311433123103) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 92937515 + ... + 97365314.

Almost surely, 2^{421311433123100} is an apocalyptic number.

It is an amenable number.

421311433123100 is an abundant number, since it is smaller than the sum of its proper divisors (576227836918060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421311433123100 is a wasteful number, since it uses less digits than its factorization.

421311433123100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190303000 (or 190302980 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 421311433123100 its reverse (1321334113124), we get a palindrome (422632767236224).

The spelling of 421311433123100 in words is "four hundred twenty-one trillion, three hundred eleven billion, four hundred thirty-three million, one hundred twenty-three thousand, one hundred".