23021303211220 has 72 divisors (see below), whose sum is σ = 48869001941760. Its totient is φ = 9109707483840.

The previous prime is 23021303211211. The next prime is 23021303211229. The reversal of 23021303211220 is 2211230312032.

It is an interprime number because it is at equal distance from previous prime (23021303211211) and next prime (23021303211229).

It is a junction number, because it is equal to n+sod(n) for n = 23021303211191 and 23021303211200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021303211229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164566705 + ... + 164706535.

It is an arithmetic number, because the mean of its divisors is an integer number (678736138080).

Almost surely, 2^{23021303211220} is an apocalyptic number.

23021303211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23021303211220 is an abundant number, since it is smaller than the sum of its proper divisors (25847698730540).

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

23021303211220 is a wasteful number, since it uses less digits than its factorization.

23021303211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140773 (or 140664 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 23021303211220 its reverse (2211230312032), we get a palindrome (25232533523252).

The spelling of 23021303211220 in words is "twenty-three trillion, twenty-one billion, three hundred three million, two hundred eleven thousand, two hundred twenty".