123530315245 has 32 divisors (see below), whose sum is σ = 154049900544. Its totient is φ = 95038944000.

The previous prime is 123530315219. The next prime is 123530315267. The reversal of 123530315245 is 542513035321.

It is not a de Polignac number, because 123530315245 - 2¹¹ = 123530313197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123530315245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3236020 + ... + 3273970.

It is an arithmetic number, because the mean of its divisors is an integer number (4814059392).

Almost surely, 2^123530315245 is an apocalyptic number.

It is an amenable number.

123530315245 is a deficient number, since it is larger than the sum of its proper divisors (30519585299).

123530315245 is a wasteful number, since it uses less digits than its factorization.

123530315245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38253.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 123530315245 in words is "one hundred twenty-three billion, five hundred thirty million, three hundred fifteen thousand, two hundred forty-five".