123233301020 has 12 divisors (see below), whose sum is σ = 258789932184. Its totient is φ = 49293320400.

The previous prime is 123233301013. The next prime is 123233301041. The reversal of 123233301020 is 20103332321.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 6161665051 = 123233301020 / (1 + 2 + 3 + 2 + 3 + 3 + 3 + 0 + 1 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 123233300983 and 123233301001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3080832506 + ... + 3080832545.

It is an arithmetic number, because the mean of its divisors is an integer number (21565827682).

Almost surely, 2^123233301020 is an apocalyptic number.

123233301020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123233301020 is an abundant number, since it is smaller than the sum of its proper divisors (135556631164).

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

123233301020 is a wasteful number, since it uses less digits than its factorization.

123233301020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6161665060 (or 6161665058 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 123233301020 its reverse (20103332321), we get a palindrome (143336633341).

The spelling of 123233301020 in words is "one hundred twenty-three billion, two hundred thirty-three million, three hundred one thousand, twenty".