23513211103 has 2 divisors, whose sum is σ = 23513211104. Its totient is φ = 23513211102.

The previous prime is 23513211101. The next prime is 23513211133. The reversal of 23513211103 is 30111231532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23513211103 - 2¹ = 23513211101 is a prime.

Together with 23513211101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23513211101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11756605551 + 11756605552.

It is an arithmetic number, because the mean of its divisors is an integer number (11756605552).

Almost surely, 2^23513211103 is an apocalyptic number.

23513211103 is a deficient number, since it is larger than the sum of its proper divisors (1).

23513211103 is an equidigital number, since it uses as much as digits as its factorization.

23513211103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 23513211103 its reverse (30111231532), we get a palindrome (53624442635).

The spelling of 23513211103 in words is "twenty-three billion, five hundred thirteen million, two hundred eleven thousand, one hundred three".