1323123001 has 16 divisors (see below), whose sum is σ = 1409909760. Its totient is φ = 1238973120.

The previous prime is 1323122959. The next prime is 1323123031. The reversal of 1323123001 is 1003213231.

It is a cyclic number.

It is not a de Polignac number, because 1323123001 - 2¹³ = 1323114809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323123031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310755 + ... + 314983.

It is an arithmetic number, because the mean of its divisors is an integer number (88119360).

Almost surely, 2^1323123001 is an apocalyptic number.

It is an amenable number.

1323123001 is a deficient number, since it is larger than the sum of its proper divisors (86786759).

1323123001 is a wasteful number, since it uses less digits than its factorization.

1323123001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4536.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1323123001 is about 36374.7577448978. The cubic root of 1323123001 is about 1097.8257329852.

Adding to 1323123001 its reverse (1003213231), we get a palindrome (2326336232).

The spelling of 1323123001 in words is "one billion, three hundred twenty-three million, one hundred twenty-three thousand, one".