123320221112310 has 64 divisors (see below), whose sum is σ = 296271806908608. Its totient is φ = 32851705227264.

The previous prime is 123320221112293. The next prime is 123320221112311. The reversal of 123320221112310 is 13211122023321.

It is a super-2 number, since 2×123320221112310² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123320221112311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193412994 + ... + 194049546.

It is an arithmetic number, because the mean of its divisors is an integer number (4629246982947).

Almost surely, 2^{123320221112310} is an apocalyptic number.

123320221112310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123320221112310 is an abundant number, since it is smaller than the sum of its proper divisors (172951585796298).

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

123320221112310 is a wasteful number, since it uses less digits than its factorization.

123320221112310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643169.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 123320221112310 its reverse (13211122023321), we get a palindrome (136531343135631).

The spelling of 123320221112310 in words is "one hundred twenty-three trillion, three hundred twenty billion, two hundred twenty-one million, one hundred twelve thousand, three hundred ten".