423155734499 has 8 divisors (see below), whose sum is σ = 442055027232. Its totient is φ = 404298209920.

The previous prime is 423155734489. The next prime is 423155734517. The reversal of 423155734499 is 994437551324.

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

It is not a de Polignac number, because 423155734499 - 2²⁰ = 423154685923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423155734489) 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 7 ways as a sum of consecutive naturals, for example, 10421324 + ... + 10461849.

It is an arithmetic number, because the mean of its divisors is an integer number (55256878404).

Almost surely, 2^423155734499 is an apocalyptic number.

423155734499 is a deficient number, since it is larger than the sum of its proper divisors (18899292733).

423155734499 is a wasteful number, since it uses less digits than its factorization.

423155734499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20884077.

The product of its digits is 16329600, while the sum is 56.

The spelling of 423155734499 in words is "four hundred twenty-three billion, one hundred fifty-five million, seven hundred thirty-four thousand, four hundred ninety-nine".