23123333321220 has 96 divisors (see below), whose sum is σ = 71139411624960. Its totient is φ = 5565328076160.

The previous prime is 23123333321219. The next prime is 23123333321287. The reversal of 23123333321220 is 2212333332132.

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

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, 125934712 + ... + 126118191.

It is an arithmetic number, because the mean of its divisors is an integer number (741035537760).

Almost surely, 2^{23123333321220} is an apocalyptic number.

23123333321220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23123333321220 is an abundant number, since it is smaller than the sum of its proper divisors (48016078303740).

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

23123333321220 is a wasteful number, since it uses less digits than its factorization.

23123333321220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252053065 (or 252053063 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 23123333321220 its reverse (2212333332132), we get a palindrome (25335666653352).

The spelling of 23123333321220 in words is "twenty-three trillion, one hundred twenty-three billion, three hundred thirty-three million, three hundred twenty-one thousand, two hundred twenty".