111323404231403 has 32 divisors (see below), whose sum is σ = 142986112797696. Its totient is φ = 84241303267968.

The previous prime is 111323404231397. The next prime is 111323404231409. The reversal of 111323404231403 is 304132404323111.

It is an interprime number because it is at equal distance from previous prime (111323404231397) and next prime (111323404231409).

It is not a de Polignac number, because 111323404231403 - 2⁸ = 111323404231147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111323404231403.

It is not an unprimeable number, because it can be changed into a prime (111323404231409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16333625 + ... + 22123157.

It is an arithmetic number, because the mean of its divisors is an integer number (4468316024928).

Almost surely, 2^{111323404231403} is an apocalyptic number.

111323404231403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111323404231403 is a deficient number, since it is larger than the sum of its proper divisors (31662708566293).

111323404231403 is a wasteful number, since it uses less digits than its factorization.

111323404231403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5798763.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 111323404231403 its reverse (304132404323111), we get a palindrome (415455808554514).

The spelling of 111323404231403 in words is "one hundred eleven trillion, three hundred twenty-three billion, four hundred four million, two hundred thirty-one thousand, four hundred three".