123545510048 has 24 divisors (see below), whose sum is σ = 257537884212. Its totient is φ = 58139063296.

The previous prime is 123545510047. The next prime is 123545510057. The reversal of 123545510048 is 840015545321.

It can be written as a sum of positive squares in 2 ways, for example, as 122799783184 + 745726864 = 350428^2 + 27308^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123545509993 and 123545510020.

It is not an unprimeable number, because it can be changed into a prime (123545510047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113552315 + ... + 113553402.

Almost surely, 2^123545510048 is an apocalyptic number.

It is an amenable number.

123545510048 is an abundant number, since it is smaller than the sum of its proper divisors (133992374164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123545510048 is a wasteful number, since it uses less digits than its factorization.

123545510048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227105744 (or 227105736 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 38.

The spelling of 123545510048 in words is "one hundred twenty-three billion, five hundred forty-five million, five hundred ten thousand, forty-eight".