421323334023100 has 18 divisors (see below), whose sum is σ = 914271634830344. Its totient is φ = 168529333609200.

The previous prime is 421323334023071. The next prime is 421323334023101. The reversal of 421323334023100 is 1320433323124.

It is a happy number.

It is a super-2 number, since 2×421323334023100² (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 (421323334023101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2106616670016 + ... + 2106616670215.

Almost surely, 2^{421323334023100} is an apocalyptic number.

It is an amenable number.

421323334023100 is an abundant number, since it is smaller than the sum of its proper divisors (492948300807244).

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

421323334023100 is a wasteful number, since it uses less digits than its factorization.

421323334023100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4213233340245 (or 4213233340238 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 421323334023100 its reverse (1320433323124), we get a palindrome (422643767346224).

The spelling of 421323334023100 in words is "four hundred twenty-one trillion, three hundred twenty-three billion, three hundred thirty-four million, twenty-three thousand, one hundred".