23311321003 has 2 divisors, whose sum is σ = 23311321004. Its totient is φ = 23311321002.

The previous prime is 23311320961. The next prime is 23311321037. The reversal of 23311321003 is 30012311332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23311321003 - 2³³ = 14721386411 is a prime.

It is not a weakly prime, because it can be changed into another prime (23311321073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11655660501 + 11655660502.

It is an arithmetic number, because the mean of its divisors is an integer number (11655660502).

Almost surely, 2^23311321003 is an apocalyptic number.

23311321003 is a deficient number, since it is larger than the sum of its proper divisors (1).

23311321003 is an equidigital number, since it uses as much as digits as its factorization.

23311321003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23311321003 its reverse (30012311332), we get a palindrome (53323632335).

The spelling of 23311321003 in words is "twenty-three billion, three hundred eleven million, three hundred twenty-one thousand, three".