23403305047 has 2 divisors, whose sum is σ = 23403305048. Its totient is φ = 23403305046.

The previous prime is 23403305041. The next prime is 23403305071. The reversal of 23403305047 is 74050330432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23403305047 - 2⁷ = 23403304919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23403305041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11701652523 + 11701652524.

It is an arithmetic number, because the mean of its divisors is an integer number (11701652524).

Almost surely, 2^23403305047 is an apocalyptic number.

23403305047 is a deficient number, since it is larger than the sum of its proper divisors (1).

23403305047 is an equidigital number, since it uses as much as digits as its factorization.

23403305047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 31.

Adding to 23403305047 its reverse (74050330432), we get a palindrome (97453635479).

The spelling of 23403305047 in words is "twenty-three billion, four hundred three million, three hundred five thousand, forty-seven".