23021230420 has 48 divisors (see below), whose sum is σ = 49759315200. Its totient is φ = 8942843520.

The previous prime is 23021230409. The next prime is 23021230423. The reversal of 23021230420 is 2403212032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021230423) 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, 23050 + ... + 215809.

It is an arithmetic number, because the mean of its divisors is an integer number (1036652400).

Almost surely, 2^23021230420 is an apocalyptic number.

23021230420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23021230420 is an abundant number, since it is smaller than the sum of its proper divisors (26738084780).

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

23021230420 is a wasteful number, since it uses less digits than its factorization.

23021230420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239008 (or 239006 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 23021230420 its reverse (2403212032), we get a palindrome (25424442452).

The spelling of 23021230420 in words is "twenty-three billion, twenty-one million, two hundred thirty thousand, four hundred twenty".