1423224830520 has 240 divisors, whose sum is σ = 4916413295640. Its totient is φ = 369267994368.

The previous prime is 1423224830519. The next prime is 1423224830527. The reversal of 1423224830520 is 250384223241.

1423224830520 is a `hidden beast` number, since 1 + 4 + 2 + 32 + 24 + 83 + 0 + 520 = 666.

It is a super-3 number, since 3×1423224830520³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423224830527) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 4275127 + ... + 4595993.

Almost surely, 2^{1423224830520} is an apocalyptic number.

1423224830520 is a gapful number since it is divisible by the number (10) 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 1423224830520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2458206647820).

1423224830520 is an abundant number, since it is smaller than the sum of its proper divisors (3493188465120).

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

1423224830520 is a wasteful number, since it uses less digits than its factorization.

1423224830520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320964 (or 320914 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 1423224830520 in words is "one trillion, four hundred twenty-three billion, two hundred twenty-four million, eight hundred thirty thousand, five hundred twenty".