423244124240 has 80 divisors (see below), whose sum is σ = 1138855918080. Its totient is φ = 143275392000.

The previous prime is 423244124231. The next prime is 423244124249. The reversal of 423244124240 is 42421442324.

It is an interprime number because it is at equal distance from previous prime (423244124231) and next prime (423244124249).

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 423244124197 and 423244124206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423244124249) 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, 4739261 + ... + 4827740.

It is an arithmetic number, because the mean of its divisors is an integer number (14235698976).

Almost surely, 2^423244124240 is an apocalyptic number.

423244124240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423244124240 is an abundant number, since it is smaller than the sum of its proper divisors (715611793840).

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

423244124240 is a wasteful number, since it uses less digits than its factorization.

423244124240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9567100 (or 9567094 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 423244124240 its reverse (42421442324), we get a palindrome (465665566564).

The spelling of 423244124240 in words is "four hundred twenty-three billion, two hundred forty-four million, one hundred twenty-four thousand, two hundred forty".