123148027378 has 8 divisors (see below), whose sum is σ = 184723933680. Its totient is φ = 61573382820.

The previous prime is 123148027361. The next prime is 123148027399. The reversal of 123148027378 is 873720841321.

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

It is a super-4 number, since 4×123148027378⁴ (a number of 45 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13708 + ... + 496471.

It is an arithmetic number, because the mean of its divisors is an integer number (23090491710).

Almost surely, 2^123148027378 is an apocalyptic number.

123148027378 is a deficient number, since it is larger than the sum of its proper divisors (61575906302).

123148027378 is a wasteful number, since it uses less digits than its factorization.

123148027378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630872.

The product of its (nonzero) digits is 451584, while the sum is 46.

Adding to 123148027378 its reverse (873720841321), we get a palindrome (996868868699).

The spelling of 123148027378 in words is "one hundred twenty-three billion, one hundred forty-eight million, twenty-seven thousand, three hundred seventy-eight".