123303377159 has 4 divisors (see below), whose sum is σ = 126635900904. Its totient is φ = 119970853416.

The previous prime is 123303377143. The next prime is 123303377167. The reversal of 123303377159 is 951773303321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951773303321 = 31123 ⋅30581027.

It is a cyclic number.

It is not a de Polignac number, because 123303377159 - 2⁴ = 123303377143 is a prime.

It is a super-2 number, since 2×123303377159² (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 (123303377459) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1666261817 + ... + 1666261890.

It is an arithmetic number, because the mean of its divisors is an integer number (31658975226).

Almost surely, 2^123303377159 is an apocalyptic number.

123303377159 is a deficient number, since it is larger than the sum of its proper divisors (3332523745).

123303377159 is an equidigital number, since it uses as much as digits as its factorization.

123303377159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3332523744.

The product of its (nonzero) digits is 357210, while the sum is 44.

The spelling of 123303377159 in words is "one hundred twenty-three billion, three hundred three million, three hundred seventy-seven thousand, one hundred fifty-nine".