420101523000 has 192 divisors, whose sum is σ = 1420688224800. Its totient is φ = 111968294400.

The previous prime is 420101522999. The next prime is 420101523071. The reversal of 420101523000 is 325101024.

420101523000 is a `hidden beast` number, since 42 + 0 + 101 + 523 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18735796 + ... + 18758204.

Almost surely, 2^420101523000 is an apocalyptic number.

420101523000 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 420101523000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710344112400).

420101523000 is an abundant number, since it is smaller than the sum of its proper divisors (1000586701800).

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

420101523000 is a wasteful number, since it uses less digits than its factorization.

420101523000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24519 (or 24502 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 420101523000 its reverse (325101024), we get a palindrome (420426624024).

The spelling of 420101523000 in words is "four hundred twenty billion, one hundred one million, five hundred twenty-three thousand".