23112012151 has 2 divisors, whose sum is σ = 23112012152. Its totient is φ = 23112012150.

The previous prime is 23112012071. The next prime is 23112012163. The reversal of 23112012151 is 15121021132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23112012151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23116012151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556006075 + 11556006076.

It is an arithmetic number, because the mean of its divisors is an integer number (11556006076).

Almost surely, 2^23112012151 is an apocalyptic number.

23112012151 is a deficient number, since it is larger than the sum of its proper divisors (1).

23112012151 is an equidigital number, since it uses as much as digits as its factorization.

23112012151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 23112012151 its reverse (15121021132), we get a palindrome (38233033283).

The spelling of 23112012151 in words is "twenty-three billion, one hundred twelve million, twelve thousand, one hundred fifty-one".