23231124420 has 72 divisors (see below), whose sum is σ = 75667100544. Its totient is φ = 5309970624.

The previous prime is 23231124419. The next prime is 23231124437. The reversal of 23231124420 is 2442113232.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3947932 + ... + 3953811.

It is an arithmetic number, because the mean of its divisors is an integer number (1050931952).

Almost surely, 2^23231124420 is an apocalyptic number.

23231124420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23231124420 is an abundant number, since it is smaller than the sum of its proper divisors (52435976124).

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

23231124420 is a wasteful number, since it uses less digits than its factorization.

23231124420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7901769 (or 7901760 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 23231124420 its reverse (2442113232), we get a palindrome (25673237652).

The spelling of 23231124420 in words is "twenty-three billion, two hundred thirty-one million, one hundred twenty-four thousand, four hundred twenty".