123303212400 has 60 divisors (see below), whose sum is σ = 394981294232. Its totient is φ = 32880856320.

The previous prime is 123303212339. The next prime is 123303212429. The reversal of 123303212400 is 4212303321.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51375139 + ... + 51377538.

Almost surely, 2^123303212400 is an apocalyptic number.

123303212400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123303212400 is an abundant number, since it is smaller than the sum of its proper divisors (271678081832).

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

123303212400 is a wasteful number, since it uses less digits than its factorization.

123303212400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102752698 (or 102752687 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 123303212400 its reverse (4212303321), we get a palindrome (127515515721).

The spelling of 123303212400 in words is "one hundred twenty-three billion, three hundred three million, two hundred twelve thousand, four hundred".