123000203122 has 8 divisors (see below), whose sum is σ = 195353263836. Its totient is φ = 57882448512.

The previous prime is 123000203101. The next prime is 123000203141. The reversal of 123000203122 is 221302000321.

It can be written as a sum of positive squares in 2 ways, for example, as 118089136881 + 4911066241 = 343641^2 + 70079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 123000203096 and 123000203105.

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, 1808826483 + ... + 1808826550.

Almost surely, 2^123000203122 is an apocalyptic number.

123000203122 is a deficient number, since it is larger than the sum of its proper divisors (72353060714).

123000203122 is a wasteful number, since it uses less digits than its factorization.

123000203122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617653052.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 123000203122 its reverse (221302000321), we get a palindrome (344302203443).

The spelling of 123000203122 in words is "one hundred twenty-three billion, two hundred three thousand, one hundred twenty-two".