123202043020 has 48 divisors (see below), whose sum is σ = 298555665408. Its totient is φ = 41830591680.

The previous prime is 123202043009. The next prime is 123202043023. The reversal of 123202043020 is 20340202321.

It is not an unprimeable number, because it can be changed into a prime (123202043023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4257496 + ... + 4286335.

It is an arithmetic number, because the mean of its divisors is an integer number (6219909696).

Almost surely, 2^123202043020 is an apocalyptic number.

123202043020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123202043020 is an abundant number, since it is smaller than the sum of its proper divisors (175353622388).

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

123202043020 is a wasteful number, since it uses less digits than its factorization.

123202043020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8543950 (or 8543948 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 123202043020 its reverse (20340202321), we get a palindrome (143542245341).

The spelling of 123202043020 in words is "one hundred twenty-three billion, two hundred two million, forty-three thousand, twenty".