123223303432400 has 30 divisors (see below), whose sum is σ = 296043986497302. Its totient is φ = 49289321372800.

The previous prime is 123223303432363. The next prime is 123223303432417. The reversal of 123223303432400 is 4234303322321.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 11552684357776 + 111670619074624 = 3398924^2 + 10567432^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154029128891 + ... + 154029129690.

Almost surely, 2^{123223303432400} is an apocalyptic number.

123223303432400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123223303432400 is an abundant number, since it is smaller than the sum of its proper divisors (172820683064902).

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

123223303432400 is a wasteful number, since it uses less digits than its factorization.

123223303432400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308058258599 (or 308058258588 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 123223303432400 its reverse (4234303322321), we get a palindrome (127457606754721).

The spelling of 123223303432400 in words is "one hundred twenty-three trillion, two hundred twenty-three billion, three hundred three million, four hundred thirty-two thousand, four hundred".