123015350045 has 16 divisors (see below), whose sum is σ = 170446015488. Its totient is φ = 83483758080.

The previous prime is 123015350011. The next prime is 123015350077. The reversal of 123015350045 is 540053510321.

It is not a de Polignac number, because 123015350045 - 2¹⁰ = 123015349021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18113741 + ... + 18120530.

It is an arithmetic number, because the mean of its divisors is an integer number (10652875968).

Almost surely, 2^123015350045 is an apocalyptic number.

It is an amenable number.

123015350045 is a deficient number, since it is larger than the sum of its proper divisors (47430665443).

123015350045 is an equidigital number, since it uses as much as digits as its factorization.

123015350045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36234380.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 123015350045 its reverse (540053510321), we get a palindrome (663068860366).

The spelling of 123015350045 in words is "one hundred twenty-three billion, fifteen million, three hundred fifty thousand, forty-five".