123143377623 has 16 divisors (see below), whose sum is σ = 187691102976. Its totient is φ = 70351125120.

The previous prime is 123143377601. The next prime is 123143377633. The reversal of 123143377623 is 326773341321.

It is not a de Polignac number, because 123143377623 - 2¹² = 123143373527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123143377633) 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, 596433 + ... + 775898.

It is an arithmetic number, because the mean of its divisors is an integer number (11730693936).

Almost surely, 2^123143377623 is an apocalyptic number.

123143377623 is a deficient number, since it is larger than the sum of its proper divisors (64547725353).

123143377623 is a wasteful number, since it uses less digits than its factorization.

123143377623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376614.

The product of its digits is 381024, while the sum is 42.

The spelling of 123143377623 in words is "one hundred twenty-three billion, one hundred forty-three million, three hundred seventy-seven thousand, six hundred twenty-three".