423100220240 has 40 divisors (see below), whose sum is σ = 988651305600. Its totient is φ = 168389629056.

The previous prime is 423100220183. The next prime is 423100220269. The reversal of 423100220240 is 42022001324.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 13272404 + ... + 13304243.

It is an arithmetic number, because the mean of its divisors is an integer number (24716282640).

Almost surely, 2^423100220240 is an apocalyptic number.

423100220240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423100220240 is an abundant number, since it is smaller than the sum of its proper divisors (565551085360).

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

423100220240 is a wasteful number, since it uses less digits than its factorization.

423100220240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26576859 (or 26576853 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 423100220240 its reverse (42022001324), we get a palindrome (465122221564).

The spelling of 423100220240 in words is "four hundred twenty-three billion, one hundred million, two hundred twenty thousand, two hundred forty".