403243233400 has 192 divisors, whose sum is σ = 1135143417600. Its totient is φ = 130048727040.

The previous prime is 403243233391. The next prime is 403243233413. The reversal of 403243233400 is 4332342304.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55854991 + ... + 55862209.

It is an arithmetic number, because the mean of its divisors is an integer number (5912205300).

Almost surely, 2^403243233400 is an apocalyptic number.

403243233400 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 403243233400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567571708800).

403243233400 is an abundant number, since it is smaller than the sum of its proper divisors (731900184200).

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

403243233400 is a wasteful number, since it uses less digits than its factorization.

403243233400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9606 (or 9597 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 403243233400 its reverse (4332342304), we get a palindrome (407575575704).

The spelling of 403243233400 in words is "four hundred three billion, two hundred forty-three million, two hundred thirty-three thousand, four hundred".