210423133020 has 48 divisors (see below), whose sum is σ = 599170965120. Its totient is φ = 55161769536.

The previous prime is 210423133009. The next prime is 210423133021. The reversal of 210423133020 is 20331324012.

It is a super-2 number, since 2×210423133020² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210423133021) 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, 29717242 + ... + 29724321.

It is an arithmetic number, because the mean of its divisors is an integer number (12482728440).

Almost surely, 2^210423133020 is an apocalyptic number.

210423133020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210423133020 is an abundant number, since it is smaller than the sum of its proper divisors (388747832100).

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

210423133020 is a wasteful number, since it uses less digits than its factorization.

210423133020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59441634 (or 59441632 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 210423133020 its reverse (20331324012), we get a palindrome (230754457032).

The spelling of 210423133020 in words is "two hundred ten billion, four hundred twenty-three million, one hundred thirty-three thousand, twenty".