23351111123147 has 2 divisors, whose sum is σ = 23351111123148. Its totient is φ = 23351111123146.

The previous prime is 23351111123101. The next prime is 23351111123149. The reversal of 23351111123147 is 74132111115332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23351111123147 - 2⁶ = 23351111123083 is a prime.

Together with 23351111123149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23351111123149) 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 as a sum of consecutive naturals, namely, 11675555561573 + 11675555561574.

It is an arithmetic number, because the mean of its divisors is an integer number (11675555561574).

Almost surely, 2^{23351111123147} is an apocalyptic number.

23351111123147 is a deficient number, since it is larger than the sum of its proper divisors (1).

23351111123147 is an equidigital number, since it uses as much as digits as its factorization.

23351111123147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 35.

Adding to 23351111123147 its reverse (74132111115332), we get a palindrome (97483222238479).

The spelling of 23351111123147 in words is "twenty-three trillion, three hundred fifty-one billion, one hundred eleven million, one hundred twenty-three thousand, one hundred forty-seven".