123085951935 has 16 divisors (see below), whose sum is σ = 198191906016. Its totient is φ = 65227713408.

The previous prime is 123085951861. The next prime is 123085951939. The reversal of 123085951935 is 539159580321.

It is not a de Polignac number, because 123085951935 - 2⁹ = 123085951423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123085951939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26130544 + ... + 26135253.

It is an arithmetic number, because the mean of its divisors is an integer number (12386994126).

Almost surely, 2^123085951935 is an apocalyptic number.

123085951935 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123085951935 is a deficient number, since it is larger than the sum of its proper divisors (75105954081).

123085951935 is a wasteful number, since it uses less digits than its factorization.

123085951935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52265962.

The product of its (nonzero) digits is 1458000, while the sum is 51.

The spelling of 123085951935 in words is "one hundred twenty-three billion, eighty-five million, nine hundred fifty-one thousand, nine hundred thirty-five".