123743079039 has 16 divisors (see below), whose sum is σ = 169405344864. Its totient is φ = 80297395200.

The previous prime is 123743079023. The next prime is 123743079073. The reversal of 123743079039 is 930970347321.

It is not a de Polignac number, because 123743079039 - 2⁴ = 123743079023 is a prime.

It is a super-2 number, since 2×123743079039² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123743069039) 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, 1108452 + ... + 1214969.

It is an arithmetic number, because the mean of its divisors is an integer number (10587834054).

Almost surely, 2^123743079039 is an apocalyptic number.

123743079039 is a deficient number, since it is larger than the sum of its proper divisors (45662265825).

123743079039 is a wasteful number, since it uses less digits than its factorization.

123743079039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323898.

The product of its (nonzero) digits is 857304, while the sum is 48.

The spelling of 123743079039 in words is "one hundred twenty-three billion, seven hundred forty-three million, seventy-nine thousand, thirty-nine".