423123140000 has 480 divisors, whose sum is σ = 1171727327232. Its totient is φ = 149040000000.

The previous prime is 423123139969. The next prime is 423123140009. The reversal of 423123140000 is 41321324.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (423123140009) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1561339865 + ... + 1561340135.

Almost surely, 2^423123140000 is an apocalyptic number.

423123140000 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 423123140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585863663616).

423123140000 is an abundant number, since it is smaller than the sum of its proper divisors (748604187232).

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

423123140000 is a wasteful number, since it uses less digits than its factorization.

423123140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 423123140000 its reverse (41321324), we get a palindrome (423164461324).

The spelling of 423123140000 in words is "four hundred twenty-three billion, one hundred twenty-three million, one hundred forty thousand".