423123423000 has 128 divisors (see below), whose sum is σ = 1321539261120. Its totient is φ = 112713753600.

The previous prime is 423123422947. The next prime is 423123423013. The reversal of 423123423000 is 324321324.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2785002 + ... + 2932998.

Almost surely, 2^423123423000 is an apocalyptic number.

423123423000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423123423000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660769630560).

423123423000 is an abundant number, since it is smaller than the sum of its proper divisors (898415838120).

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

423123423000 is a wasteful number, since it uses less digits than its factorization.

423123423000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148974 (or 148960 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 423123423000 its reverse (324321324), we get a palindrome (423447744324).

The spelling of 423123423000 in words is "four hundred twenty-three billion, one hundred twenty-three million, four hundred twenty-three thousand".