123825738278 has 32 divisors (see below), whose sum is σ = 208839641472. Its totient is φ = 54574689600.

The previous prime is 123825738271. The next prime is 123825738313. The reversal of 123825738278 is 872837528321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123825738271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274076 + ... + 568127.

It is an arithmetic number, because the mean of its divisors is an integer number (6526238796).

Almost surely, 2^123825738278 is an apocalyptic number.

123825738278 is a deficient number, since it is larger than the sum of its proper divisors (85013903194).

123825738278 is a wasteful number, since it uses less digits than its factorization.

123825738278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842420.

The product of its digits is 9031680, while the sum is 56.

The spelling of 123825738278 in words is "one hundred twenty-three billion, eight hundred twenty-five million, seven hundred thirty-eight thousand, two hundred seventy-eight".