423440012203960 has 32 divisors (see below), whose sum is σ = 952745533014240. Its totient is φ = 169375026116224.

The previous prime is 423440012203919. The next prime is 423440012203961. The reversal of 423440012203960 is 69302210044324.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423440012203961) 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, 23557927 + ... + 37441366.

It is an arithmetic number, because the mean of its divisors is an integer number (29773297906695).

Almost surely, 2^{423440012203960} is an apocalyptic number.

423440012203960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423440012203960 is an abundant number, since it is smaller than the sum of its proper divisors (529305520810280).

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

423440012203960 is a wasteful number, since it uses less digits than its factorization.

423440012203960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61172847 (or 61172843 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 423440012203960 in words is "four hundred twenty-three trillion, four hundred forty billion, twelve million, two hundred three thousand, nine hundred sixty".