423869119506 has 144 divisors (see below), whose sum is σ = 1163963484000. Its totient is φ = 113981406336.

The previous prime is 423869119501. The next prime is 423869119511. The reversal of 423869119506 is 605911968324.

423869119506 is a `hidden beast` number, since 4 + 2 + 38 + 6 + 91 + 19 + 506 = 666.

It is an interprime number because it is at equal distance from previous prime (423869119501) and next prime (423869119511).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (423869119501) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 487545 + ... + 1041843.

It is an arithmetic number, because the mean of its divisors is an integer number (8083079750).

Almost surely, 2^423869119506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423869119506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (581981742000).

423869119506 is an abundant number, since it is smaller than the sum of its proper divisors (740094364494).

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

423869119506 is a wasteful number, since it uses less digits than its factorization.

423869119506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554358 (or 554328 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 423869119506 in words is "four hundred twenty-three billion, eight hundred sixty-nine million, one hundred nineteen thousand, five hundred six".