1004121323 has 2 divisors, whose sum is σ = 1004121324. Its totient is φ = 1004121322.

The previous prime is 1004121319. The next prime is 1004121331. The reversal of 1004121323 is 3231214001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1004121323 - 2² = 1004121319 is a prime.

It is not a weakly prime, because it can be changed into another prime (1004121343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502060661 + 502060662.

It is an arithmetic number, because the mean of its divisors is an integer number (502060662).

Almost surely, 2^1004121323 is an apocalyptic number.

1004121323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004121323 is an equidigital number, since it uses as much as digits as its factorization.

1004121323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1004121323 is about 31687.8734376417. The cubic root of 1004121323 is about 1001.3718913867.

Adding to 1004121323 its reverse (3231214001), we get a palindrome (4235335324).

The spelling of 1004121323 in words is "one billion, four million, one hundred twenty-one thousand, three hundred twenty-three".