123045505323 has 32 divisors (see below), whose sum is σ = 178533062400. Its totient is φ = 74928260736.

The previous prime is 123045505309. The next prime is 123045505327. The reversal of 123045505323 is 323505540321.

It is not a de Polignac number, because 123045505323 - 2¹⁸ = 123045243179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123045505327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3327148 + ... + 3363926.

It is an arithmetic number, because the mean of its divisors is an integer number (5579158200).

Almost surely, 2^123045505323 is an apocalyptic number.

123045505323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123045505323 is a deficient number, since it is larger than the sum of its proper divisors (55487557077).

123045505323 is a wasteful number, since it uses less digits than its factorization.

123045505323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37691.

The product of its (nonzero) digits is 54000, while the sum is 33.

The spelling of 123045505323 in words is "one hundred twenty-three billion, forty-five million, five hundred five thousand, three hundred twenty-three".