23431444223020 has 24 divisors (see below), whose sum is σ = 49211470980000. Its totient is φ = 9371541858432.

The previous prime is 23431444222961. The next prime is 23431444223027. The reversal of 23431444223020 is 2032244413432.

It is not an unprimeable number, because it can be changed into a prime (23431444223027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64553920 + ... + 64915879.

It is an arithmetic number, because the mean of its divisors is an integer number (2050477957500).

Almost surely, 2^{23431444223020} is an apocalyptic number.

23431444223020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23431444223020 is an abundant number, since it is smaller than the sum of its proper divisors (25780026756980).

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

23431444223020 is a wasteful number, since it uses less digits than its factorization.

23431444223020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129478857 (or 129478855 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 23431444223020 its reverse (2032244413432), we get a palindrome (25463688636452).

The spelling of 23431444223020 in words is "twenty-three trillion, four hundred thirty-one billion, four hundred forty-four million, two hundred twenty-three thousand, twenty".