148423111 has 2 divisors, whose sum is σ = 148423112. Its totient is φ = 148423110.

The previous prime is 148423109. The next prime is 148423123. The reversal of 148423111 is 111324841.

It is a weak prime.

It is an emirp because it is prime and its reverse (111324841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148423111 - 2¹ = 148423109 is a prime.

Together with 148423109, 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 (148423151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74211555 + 74211556.

It is an arithmetic number, because the mean of its divisors is an integer number (74211556).

Almost surely, 2^148423111 is an apocalyptic number.

148423111 is a deficient number, since it is larger than the sum of its proper divisors (1).

148423111 is an equidigital number, since it uses as much as digits as its factorization.

148423111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 25.

The square root of 148423111 is about 12182.9024045997. The cubic root of 148423111 is about 529.4608389132.

Adding to 148423111 its reverse (111324841), we get a palindrome (259747952).

The spelling of 148423111 in words is "one hundred forty-eight million, four hundred twenty-three thousand, one hundred eleven".