123010313020 has 96 divisors (see below), whose sum is σ = 299920997376. Its totient is φ = 41506214400.

The previous prime is 123010312993. The next prime is 123010313047. The reversal of 123010313020 is 20313010321.

It is an interprime number because it is at equal distance from previous prime (123010312993) and next prime (123010313047).

It is a junction number, because it is equal to n+sod(n) for n = 123010312985 and 123010313003.

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, 5664904 + ... + 5686576.

It is an arithmetic number, because the mean of its divisors is an integer number (3124177056).

Almost surely, 2^123010313020 is an apocalyptic number.

123010313020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123010313020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149960498688).

123010313020 is an abundant number, since it is smaller than the sum of its proper divisors (176910684356).

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

123010313020 is a wasteful number, since it uses less digits than its factorization.

123010313020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22331 (or 22329 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 123010313020 its reverse (20313010321), we get a palindrome (143323323341).

The spelling of 123010313020 in words is "one hundred twenty-three billion, ten million, three hundred thirteen thousand, twenty".