123043620686 has 8 divisors (see below), whose sum is σ = 210931921200. Its totient is φ = 52732980288.

The previous prime is 123043620671. The next prime is 123043620701. The reversal of 123043620686 is 686026340321.

It is an interprime number because it is at equal distance from previous prime (123043620671) and next prime (123043620701).

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

It is a super-2 number, since 2×123043620686² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4394415011 + ... + 4394415038.

It is an arithmetic number, because the mean of its divisors is an integer number (26366490150).

Almost surely, 2^123043620686 is an apocalyptic number.

123043620686 is a deficient number, since it is larger than the sum of its proper divisors (87888300514).

123043620686 is an equidigital number, since it uses as much as digits as its factorization.

123043620686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8788830058.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 123043620686 in words is "one hundred twenty-three billion, forty-three million, six hundred twenty thousand, six hundred eighty-six".