403123341013400 has 192 divisors, whose sum is σ = 1087655760576000. Its totient is φ = 136089818726400.

The previous prime is 403123341013397. The next prime is 403123341013469. The reversal of 403123341013400 is 4310143321304.

It is a happy number.

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, 73801691 + ... + 79075509.

It is an arithmetic number, because the mean of its divisors is an integer number (5664873753000).

Almost surely, 2^{403123341013400} is an apocalyptic number.

403123341013400 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 403123341013400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (543827880288000).

403123341013400 is an abundant number, since it is smaller than the sum of its proper divisors (684532419562600).

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

403123341013400 is a wasteful number, since it uses less digits than its factorization.

403123341013400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5274682 (or 5274673 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 403123341013400 its reverse (4310143321304), we get a palindrome (407433484334704).

The spelling of 403123341013400 in words is "four hundred three trillion, one hundred twenty-three billion, three hundred forty-one million, thirteen thousand, four hundred".