123143148 has 36 divisors (see below), whose sum is σ = 316559880. Its totient is φ = 40351296.

The previous prime is 123143143. The next prime is 123143171. The reversal of 123143148 is 841341321.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (123143143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26865 + ... + 31112.

It is an arithmetic number, because the mean of its divisors is an integer number (8793330).

Almost surely, 2^123143148 is an apocalyptic number.

123143148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

123143148 is an abundant number, since it is smaller than the sum of its proper divisors (193416732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123143148 is a wasteful number, since it uses less digits than its factorization.

123143148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58046 (or 58041 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 123143148 is about 11096.9882400587. The cubic root of 123143148 is about 497.5118359515.

Adding to 123143148 its reverse (841341321), we get a palindrome (964484469).

The spelling of 123143148 in words is "one hundred twenty-three million, one hundred forty-three thousand, one hundred forty-eight".