123148027256 has 16 divisors (see below), whose sum is σ = 230985383400. Its totient is φ = 61551925024.

The previous prime is 123148027253. The next prime is 123148027283. The reversal of 123148027256 is 652720841321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123148027253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2737370 + ... + 2781993.

Almost surely, 2^123148027256 is an apocalyptic number.

It is an amenable number.

123148027256 is a deficient number, since it is larger than the sum of its proper divisors (107837356144).

123148027256 is a wasteful number, since it uses less digits than its factorization.

123148027256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5522158 (or 5522154 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

Adding to 123148027256 its reverse (652720841321), we get a palindrome (775868868577).

The spelling of 123148027256 in words is "one hundred twenty-three billion, one hundred forty-eight million, twenty-seven thousand, two hundred fifty-six".