123446001623 has 8 divisors (see below), whose sum is σ = 141086433792. Its totient is φ = 105806891736.

The previous prime is 123446001587. The next prime is 123446001629. The reversal of 123446001623 is 326100644321.

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

It is not a de Polignac number, because 123446001623 - 2¹⁴ = 123445985239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123446001623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123446001629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121715 + ... + 511572.

It is an arithmetic number, because the mean of its divisors is an integer number (17635804224).

Almost surely, 2^123446001623 is an apocalyptic number.

123446001623 is a deficient number, since it is larger than the sum of its proper divisors (17640432169).

123446001623 is an equidigital number, since it uses as much as digits as its factorization.

123446001623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661141.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 123446001623 its reverse (326100644321), we get a palindrome (449546645944).

The spelling of 123446001623 in words is "one hundred twenty-three billion, four hundred forty-six million, one thousand, six hundred twenty-three".