2043231311403 has 24 divisors (see below), whose sum is σ = 2972829689856. Its totient is φ = 1352262231600.

The previous prime is 2043231311399. The next prime is 2043231311423. The reversal of 2043231311403 is 3041131323402.

It is a happy number.

2043231311403 is a `hidden beast` number, since 20 + 4 + 3 + 231 + 3 + 1 + 1 + 403 = 666.

It is not a de Polignac number, because 2043231311403 - 2² = 2043231311399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2043231311423) 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 23 ways as a sum of consecutive naturals, for example, 366375 + ... + 2054432.

It is an arithmetic number, because the mean of its divisors is an integer number (123867903744).

Almost surely, 2^{2043231311403} is an apocalyptic number.

2043231311403 is a deficient number, since it is larger than the sum of its proper divisors (929598378453).

2043231311403 is a wasteful number, since it uses less digits than its factorization.

2043231311403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421495 (or 2421492 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 2043231311403 its reverse (3041131323402), we get a palindrome (5084362634805).

The spelling of 2043231311403 in words is "two trillion, forty-three billion, two hundred thirty-one million, three hundred eleven thousand, four hundred three".