423735022220 has 24 divisors (see below), whose sum is σ = 889912505664. Its totient is φ = 169480873856.

The previous prime is 423735022157. The next prime is 423735022229. The reversal of 423735022220 is 22220537324.

It is not an unprimeable number, because it can be changed into a prime (423735022229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554297 + ... + 1074576.

It is an arithmetic number, because the mean of its divisors is an integer number (37079687736).

Almost surely, 2^423735022220 is an apocalyptic number.

It is an amenable number.

423735022220 is an abundant number, since it is smaller than the sum of its proper divisors (466177483444).

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

423735022220 is a wasteful number, since it uses less digits than its factorization.

423735022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641889 (or 1641887 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 32.

Adding to 423735022220 its reverse (22220537324), we get a palindrome (445955559544).

The spelling of 423735022220 in words is "four hundred twenty-three billion, seven hundred thirty-five million, twenty-two thousand, two hundred twenty".