23443134231403 has 2 divisors, whose sum is σ = 23443134231404. Its totient is φ = 23443134231402.

The previous prime is 23443134231379. The next prime is 23443134231431. The reversal of 23443134231403 is 30413243134432.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23443134231403 is a prime.

It is not a weakly prime, because it can be changed into another prime (23443134231443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11721567115701 + 11721567115702.

It is an arithmetic number, because the mean of its divisors is an integer number (11721567115702).

Almost surely, 2^{23443134231403} is an apocalyptic number.

23443134231403 is a deficient number, since it is larger than the sum of its proper divisors (1).

23443134231403 is an equidigital number, since it uses as much as digits as its factorization.

23443134231403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 37.

Adding to 23443134231403 its reverse (30413243134432), we get a palindrome (53856377365835).

The spelling of 23443134231403 in words is "twenty-three trillion, four hundred forty-three billion, one hundred thirty-four million, two hundred thirty-one thousand, four hundred three".