4223123241400 has 288 divisors, whose sum is σ = 12213484916400. Its totient is φ = 1349257728000.

The previous prime is 4223123241391. The next prime is 4223123241401. The reversal of 4223123241400 is 41423213224.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223123241401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 16701111 + ... + 16952089.

Almost surely, 2^{4223123241400} is an apocalyptic number.

4223123241400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4223123241400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6106742458200).

4223123241400 is an abundant number, since it is smaller than the sum of its proper divisors (7990361675000).

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

4223123241400 is a wasteful number, since it uses less digits than its factorization.

4223123241400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251127 (or 251111 counting only the distinct ones).

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

Adding to 4223123241400 its reverse (41423213224), we get a palindrome (4264546454624).

The spelling of 4223123241400 in words is "four trillion, two hundred twenty-three billion, one hundred twenty-three million, two hundred forty-one thousand, four hundred".