123021003320 has 32 divisors (see below), whose sum is σ = 276808237920. Its totient is φ = 49206449280.

The previous prime is 123021003317. The next prime is 123021003323. The reversal of 123021003320 is 23300120321.

It is an interprime number because it is at equal distance from previous prime (123021003317) and next prime (123021003323).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123021003323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1380434 + ... + 1466846.

It is an arithmetic number, because the mean of its divisors is an integer number (8650257435).

Almost surely, 2^123021003320 is an apocalyptic number.

123021003320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123021003320 is an abundant number, since it is smaller than the sum of its proper divisors (153787234600).

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

123021003320 is a wasteful number, since it uses less digits than its factorization.

123021003320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122015 (or 122011 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 123021003320 its reverse (23300120321), we get a palindrome (146321123641).

The spelling of 123021003320 in words is "one hundred twenty-three billion, twenty-one million, three thousand, three hundred twenty".