123148027255 has 8 divisors (see below), whose sum is σ = 161211963024. Its totient is φ = 89562201600.

The previous prime is 123148027253. The next prime is 123148027283. The reversal of 123148027255 is 552720841321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123148027255 - 2¹ = 123148027253 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 1119527466 + ... + 1119527575.

It is an arithmetic number, because the mean of its divisors is an integer number (20151495378).

Almost surely, 2^123148027255 is an apocalyptic number.

123148027255 is a deficient number, since it is larger than the sum of its proper divisors (38063935769).

123148027255 is a wasteful number, since it uses less digits than its factorization.

123148027255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239055057.

The product of its (nonzero) digits is 134400, while the sum is 40.

Adding to 123148027255 its reverse (552720841321), we get a palindrome (675868868576).

The spelling of 123148027255 in words is "one hundred twenty-three billion, one hundred forty-eight million, twenty-seven thousand, two hundred fifty-five".