423332403243987 has 8 divisors (see below), whose sum is σ = 565667593056720. Its totient is φ = 281609407796960.

The previous prime is 423332403243979. The next prime is 423332403243989. The reversal of 423332403243987 is 789342304233324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423332403243987 - 2³ = 423332403243979 is a prime.

It is a super-4 number, since 4×423332403243987⁴ (a number of 60 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (423332403243989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153048589812 + ... + 153048592577.

It is an arithmetic number, because the mean of its divisors is an integer number (70708449132090).

Almost surely, 2^{423332403243987} is an apocalyptic number.

423332403243987 is a deficient number, since it is larger than the sum of its proper divisors (142335189812733).

423332403243987 is a wasteful number, since it uses less digits than its factorization.

423332403243987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306097182853.

The product of its (nonzero) digits is 62705664, while the sum is 57.

The spelling of 423332403243987 in words is "four hundred twenty-three trillion, three hundred thirty-two billion, four hundred three million, two hundred forty-three thousand, nine hundred eighty-seven".