123906724634 has 24 divisors (see below), whose sum is σ = 235859555808. Its totient is φ = 48275346840.

The previous prime is 123906724597. The next prime is 123906724657. The reversal of 123906724634 is 436427609321.

It is a Curzon number.

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 11 ways as a sum of consecutive naturals, for example, 57469574 + ... + 57471729.

It is an arithmetic number, because the mean of its divisors is an integer number (9827481492).

Almost surely, 2^123906724634 is an apocalyptic number.

123906724634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

123906724634 is a deficient number, since it is larger than the sum of its proper divisors (111952831174).

123906724634 is a wasteful number, since it uses less digits than its factorization.

123906724634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114941330 (or 114941323 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 47.

The spelling of 123906724634 in words is "one hundred twenty-three billion, nine hundred six million, seven hundred twenty-four thousand, six hundred thirty-four".