123682053651 has 16 divisors (see below), whose sum is σ = 177601633440. Its totient is φ = 76109080320.

The previous prime is 123682053643. The next prime is 123682053661. The reversal of 123682053651 is 156350286321.

It is not a de Polignac number, because 123682053651 - 2³ = 123682053643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123682053661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1390545 + ... + 1476813.

It is an arithmetic number, because the mean of its divisors is an integer number (11100102090).

Almost surely, 2^123682053651 is an apocalyptic number.

123682053651 is a deficient number, since it is larger than the sum of its proper divisors (53919579789).

123682053651 is a wasteful number, since it uses less digits than its factorization.

123682053651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123046.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 123682053651 in words is "one hundred twenty-three billion, six hundred eighty-two million, fifty-three thousand, six hundred fifty-one".