23122432221240 has 128 divisors (see below), whose sum is σ = 75897966193920. Its totient is φ = 5588804659200.

The previous prime is 23122432221169. The next prime is 23122432221269. The reversal of 23122432221240 is 4212223422132.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 23122432221198 and 23122432221207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25544766 + ... + 26434445.

It is an arithmetic number, because the mean of its divisors is an integer number (592952860890).

Almost surely, 2^{23122432221240} is an apocalyptic number.

23122432221240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23122432221240 is an abundant number, since it is smaller than the sum of its proper divisors (52775533972680).

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

23122432221240 is a wasteful number, since it uses less digits than its factorization.

23122432221240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51979573 (or 51979569 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 23122432221240 its reverse (4212223422132), we get a palindrome (27334655643372).

The spelling of 23122432221240 in words is "twenty-three trillion, one hundred twenty-two billion, four hundred thirty-two million, two hundred twenty-one thousand, two hundred forty".