423140012220 has 24 divisors (see below), whose sum is σ = 1184792034384. Its totient is φ = 112837336576.

The previous prime is 423140012209. The next prime is 423140012231. The reversal of 423140012220 is 22210041324.

It is an interprime number because it is at equal distance from previous prime (423140012209) and next prime (423140012231).

It is a congruent number.

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, 3526166709 + ... + 3526166828.

It is an arithmetic number, because the mean of its divisors is an integer number (49366334766).

Almost surely, 2^423140012220 is an apocalyptic number.

It is an amenable number.

423140012220 is an abundant number, since it is smaller than the sum of its proper divisors (761652022164).

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

423140012220 is a wasteful number, since it uses less digits than its factorization.

423140012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7052333549 (or 7052333547 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 423140012220 its reverse (22210041324), we get a palindrome (445350053544).

The spelling of 423140012220 in words is "four hundred twenty-three billion, one hundred forty million, twelve thousand, two hundred twenty".