123444142300 has 18 divisors (see below), whose sum is σ = 267873789008. Its totient is φ = 49377656880.

The previous prime is 123444142259. The next prime is 123444142343. The reversal of 123444142300 is 3241444321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 617220612 + ... + 617220811.

Almost surely, 2^123444142300 is an apocalyptic number.

123444142300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123444142300 is an abundant number, since it is smaller than the sum of its proper divisors (144429646708).

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

123444142300 is a wasteful number, since it uses less digits than its factorization.

123444142300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234441437 (or 1234441430 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 123444142300 its reverse (3241444321), we get a palindrome (126685586621).

The spelling of 123444142300 in words is "one hundred twenty-three billion, four hundred forty-four million, one hundred forty-two thousand, three hundred".