423113120340 has 48 divisors (see below), whose sum is σ = 1191564839808. Its totient is φ = 112177965184.

The previous prime is 423113120303. The next prime is 423113120347. The reversal of 423113120340 is 43021311324.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 423113120340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423113120347) 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, 20370792 + ... + 20391551.

It is an arithmetic number, because the mean of its divisors is an integer number (24824267496).

Almost surely, 2^423113120340 is an apocalyptic number.

It is an amenable number.

423113120340 is an abundant number, since it is smaller than the sum of its proper divisors (768451719468).

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

423113120340 is a wasteful number, since it uses less digits than its factorization.

423113120340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40762528 (or 40762526 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 423113120340 its reverse (43021311324), we get a palindrome (466134431664).

The spelling of 423113120340 in words is "four hundred twenty-three billion, one hundred thirteen million, one hundred twenty thousand, three hundred forty".