423237081347 has 4 divisors (see below), whose sum is σ = 424846348080. Its totient is φ = 421627814616.

The previous prime is 423237081343. The next prime is 423237081373. The reversal of 423237081347 is 743180732324.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423237081347 - 2² = 423237081343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423237081298 and 423237081307.

It is not an unprimeable number, because it can be changed into a prime (423237081341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804632972 + ... + 804633497.

It is an arithmetic number, because the mean of its divisors is an integer number (106211587020).

Almost surely, 2^423237081347 is an apocalyptic number.

423237081347 is a deficient number, since it is larger than the sum of its proper divisors (1609266733).

423237081347 is a wasteful number, since it uses less digits than its factorization.

423237081347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609266732.

The product of its (nonzero) digits is 677376, while the sum is 44.

The spelling of 423237081347 in words is "four hundred twenty-three billion, two hundred thirty-seven million, eighty-one thousand, three hundred forty-seven".