123031002323 has 4 divisors (see below), whose sum is σ = 123233689920. Its totient is φ = 122828314728.

The previous prime is 123031002319. The next prime is 123031002331. The reversal of 123031002323 is 323200130321.

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 123031002323 - 2² = 123031002319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123031002295 and 123031002304.

It is not an unprimeable number, because it can be changed into a prime (123031002313) 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, 101342888 + ... + 101344101.

It is an arithmetic number, because the mean of its divisors is an integer number (30808422480).

Almost surely, 2^123031002323 is an apocalyptic number.

123031002323 is a deficient number, since it is larger than the sum of its proper divisors (202687597).

123031002323 is an equidigital number, since it uses as much as digits as its factorization.

123031002323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202687596.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 123031002323 its reverse (323200130321), we get a palindrome (446231132644).

The spelling of 123031002323 in words is "one hundred twenty-three billion, thirty-one million, two thousand, three hundred twenty-three".