23231302111220 has 48 divisors (see below), whose sum is σ = 55898454568320. Its totient is φ = 7944542223744.

The previous prime is 23231302111189. The next prime is 23231302111249. The reversal of 23231302111220 is 2211120313232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213233294 + ... + 213342213.

It is an arithmetic number, because the mean of its divisors is an integer number (1164551136840).

Almost surely, 2^{23231302111220} is an apocalyptic number.

23231302111220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23231302111220 is an abundant number, since it is smaller than the sum of its proper divisors (32667152457100).

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

23231302111220 is a wasteful number, since it uses less digits than its factorization.

23231302111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426575912 (or 426575910 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 23231302111220 its reverse (2211120313232), we get a palindrome (25442422424452).

The spelling of 23231302111220 in words is "twenty-three trillion, two hundred thirty-one billion, three hundred two million, one hundred eleven thousand, two hundred twenty".