123451075568 has 20 divisors (see below), whose sum is σ = 239303827920. Its totient is φ = 61695249024.

The previous prime is 123451075567. The next prime is 123451075603. The reversal of 123451075568 is 865570154321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123451075567) 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, 1859405 + ... + 1924652.

It is an arithmetic number, because the mean of its divisors is an integer number (11965191396).

Almost surely, 2^123451075568 is an apocalyptic number.

It is an amenable number.

123451075568 is a deficient number, since it is larger than the sum of its proper divisors (115852752352).

123451075568 is a wasteful number, since it uses less digits than its factorization.

123451075568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786104 (or 3786098 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 47.

The spelling of 123451075568 in words is "one hundred twenty-three billion, four hundred fifty-one million, seventy-five thousand, five hundred sixty-eight".