123203202030 has 48 divisors (see below), whose sum is σ = 320352022224. Its totient is φ = 32851756800.

The previous prime is 123203202029. The next prime is 123203202041. The reversal of 123203202030 is 30202302321.

It is a happy number.

123203202030 is a `hidden beast` number, since 1 + 2 + 320 + 320 + 20 + 3 + 0 = 666.

It is a super-2 number, since 2×123203202030² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 123203201994 and 123203202012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1403430 + ... + 1488630.

It is an arithmetic number, because the mean of its divisors is an integer number (6674000463).

Almost surely, 2^123203202030 is an apocalyptic number.

123203202030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123203202030 is an abundant number, since it is smaller than the sum of its proper divisors (197148820194).

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

123203202030 is a wasteful number, since it uses less digits than its factorization.

123203202030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101281 (or 101278 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 123203202030 its reverse (30202302321), we get a palindrome (153405504351).

The spelling of 123203202030 in words is "one hundred twenty-three billion, two hundred three million, two hundred two thousand, thirty".