123746838623 has 8 divisors (see below), whose sum is σ = 124480608000. Its totient is φ = 123015157848.

The previous prime is 123746838601. The next prime is 123746838653. The reversal of 123746838623 is 326838647321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123746838623 is a prime.

It is a super-2 number, since 2×123746838623² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123746838653) 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 7 ways as a sum of consecutive naturals, for example, 403223 + ... + 640376.

It is an arithmetic number, because the mean of its divisors is an integer number (15560076000).

Almost surely, 2^123746838623 is an apocalyptic number.

123746838623 is a deficient number, since it is larger than the sum of its proper divisors (733769377).

123746838623 is a wasteful number, since it uses less digits than its factorization.

123746838623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044301.

The product of its digits is 6967296, while the sum is 53.

The spelling of 123746838623 in words is "one hundred twenty-three billion, seven hundred forty-six million, eight hundred thirty-eight thousand, six hundred twenty-three".