123148027244 has 24 divisors (see below), whose sum is σ = 235237372608. Its totient is φ = 55943853840.

The previous prime is 123148027243. The next prime is 123148027253. The reversal of 123148027244 is 442720841321.

It is a super-2 number, since 2×123148027244² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123148027198 and 123148027207.

It is not an unprimeable number, because it can be changed into a prime (123148027243) 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, 736382 + ... + 888005.

It is an arithmetic number, because the mean of its divisors is an integer number (9801557192).

Almost surely, 2^123148027244 is an apocalyptic number.

It is an amenable number.

123148027244 is a deficient number, since it is larger than the sum of its proper divisors (112089345364).

123148027244 is a wasteful number, since it uses less digits than its factorization.

123148027244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626125 (or 1626123 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

Adding to 123148027244 its reverse (442720841321), we get a palindrome (565868868565).

The spelling of 123148027244 in words is "one hundred twenty-three billion, one hundred forty-eight million, twenty-seven thousand, two hundred forty-four".