123134519039 has 8 divisors (see below), whose sum is σ = 141511340160. Its totient is φ = 104954241816.

The previous prime is 123134519033. The next prime is 123134519047. The reversal of 123134519039 is 930915431321.

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

It is a cyclic number.

It is not a de Polignac number, because 123134519039 - 2⁸ = 123134518783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123134518987 and 123134519005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123134519033) 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, 49134629 + ... + 49137134.

It is an arithmetic number, because the mean of its divisors is an integer number (17688917520).

Almost surely, 2^123134519039 is an apocalyptic number.

123134519039 is a deficient number, since it is larger than the sum of its proper divisors (18376821121).

123134519039 is an equidigital number, since it uses as much as digits as its factorization.

123134519039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98271949.

The product of its (nonzero) digits is 87480, while the sum is 41.

The spelling of 123134519039 in words is "one hundred twenty-three billion, one hundred thirty-four million, five hundred nineteen thousand, thirty-nine".