123530923 has 4 divisors (see below), whose sum is σ = 127790640. Its totient is φ = 119271208.

The previous prime is 123530879. The next prime is 123530929. The reversal of 123530923 is 329035321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123530923 - 2⁹ = 123530411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123530891 and 123530900.

It is not an unprimeable number, because it can be changed into a prime (123530929) 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, 2129815 + ... + 2129872.

It is an arithmetic number, because the mean of its divisors is an integer number (31947660).

Almost surely, 2^123530923 is an apocalyptic number.

123530923 is a deficient number, since it is larger than the sum of its proper divisors (4259717).

123530923 is an equidigital number, since it uses as much as digits as its factorization.

123530923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4259716.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 123530923 is about 11114.4465899117. The cubic root of 123530923 is about 498.0335066137.

The spelling of 123530923 in words is "one hundred twenty-three million, five hundred thirty thousand, nine hundred twenty-three".