423230141121520 has 80 divisors (see below), whose sum is σ = 997876717373952. Its totient is φ = 166906433173760.

The previous prime is 423230141121509. The next prime is 423230141121523. The reversal of 423230141121520 is 25121141032324.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×423230141121520² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423230141121523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1413619359 + ... + 1413918721.

Almost surely, 2^{423230141121520} is an apocalyptic number.

423230141121520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423230141121520 is an abundant number, since it is smaller than the sum of its proper divisors (574646576252432).

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

423230141121520 is a wasteful number, since it uses less digits than its factorization.

423230141121520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548350 (or 548344 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 423230141121520 its reverse (25121141032324), we get a palindrome (448351282153844).

The spelling of 423230141121520 in words is "four hundred twenty-three trillion, two hundred thirty billion, one hundred forty-one million, one hundred twenty-one thousand, five hundred twenty".