123015530013 has 8 divisors (see below), whose sum is σ = 166709570976. Its totient is φ = 80665921200.

The previous prime is 123015529933. The next prime is 123015530051. The reversal of 123015530013 is 310035510321.

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

It is not a de Polignac number, because 123015530013 - 2¹² = 123015525917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123015531013) 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, 336107823 + ... + 336108188.

It is an arithmetic number, because the mean of its divisors is an integer number (20838696372).

Almost surely, 2^123015530013 is an apocalyptic number.

It is an amenable number.

123015530013 is a deficient number, since it is larger than the sum of its proper divisors (43694040963).

123015530013 is an equidigital number, since it uses as much as digits as its factorization.

123015530013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672216075.

The product of its (nonzero) digits is 1350, while the sum is 24.

The spelling of 123015530013 in words is "one hundred twenty-three billion, fifteen million, five hundred thirty thousand, thirteen".