148440123 has 24 divisors (see below), whose sum is σ = 231603008. Its totient is φ = 91072512.

The previous prime is 148440101. The next prime is 148440133. The reversal of 148440123 is 321044841.

It is not a de Polignac number, because 148440123 - 2²⁴ = 131662907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148440133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41211 + ... + 44667.

Almost surely, 2^148440123 is an apocalyptic number.

148440123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

148440123 is a deficient number, since it is larger than the sum of its proper divisors (83162885).

148440123 is a wasteful number, since it uses less digits than its factorization.

148440123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3843 (or 3840 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 148440123 is about 12183.6005761844. The cubic root of 148440123 is about 529.4810667687.

Adding to 148440123 its reverse (321044841), we get a palindrome (469484964).

The spelling of 148440123 in words is "one hundred forty-eight million, four hundred forty thousand, one hundred twenty-three".