123148056 has 32 divisors (see below), whose sum is σ = 309582000. Its totient is φ = 40821120.

The previous prime is 123148031. The next prime is 123148057. The reversal of 123148056 is 650841321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123148057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9831 + ... + 18518.

Almost surely, 2^123148056 is an apocalyptic number.

It is an amenable number.

123148056 is an abundant number, since it is smaller than the sum of its proper divisors (186433944).

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

123148056 is a wasteful number, since it uses less digits than its factorization.

123148056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28539 (or 28535 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 123148056 is about 11097.2093789385. The cubic root of 123148056 is about 497.5184454833.

Adding to 123148056 its reverse (650841321), we get a palindrome (773989377).

The spelling of 123148056 in words is "one hundred twenty-three million, one hundred forty-eight thousand, fifty-six".