4023212223400 has 96 divisors (see below), whose sum is σ = 9587223487800. Its totient is φ = 1569196851200.

The previous prime is 4023212223397. The next prime is 4023212223413. The reversal of 4023212223400 is 43222123204.

It can be written as a sum of positive squares in 12 ways, for example, as 144526187556 + 3878686035844 = 380166^2 + 1969438^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15359934 + ... + 15619666.

Almost surely, 2^{4023212223400} is an apocalyptic number.

4023212223400 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 4023212223400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4793611743900).

4023212223400 is an abundant number, since it is smaller than the sum of its proper divisors (5564011264400).

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

4023212223400 is a wasteful number, since it uses less digits than its factorization.

4023212223400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261679 (or 261670 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 4023212223400 its reverse (43222123204), we get a palindrome (4066434346604).

The spelling of 4023212223400 in words is "four trillion, twenty-three billion, two hundred twelve million, two hundred twenty-three thousand, four hundred".