23122391003 has 2 divisors, whose sum is σ = 23122391004. Its totient is φ = 23122391002.

The previous prime is 23122390997. The next prime is 23122391087. The reversal of 23122391003 is 30019322132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23122391003 - 2⁴ = 23122390987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (23122397003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11561195501 + 11561195502.

It is an arithmetic number, because the mean of its divisors is an integer number (11561195502).

Almost surely, 2^23122391003 is an apocalyptic number.

23122391003 is a deficient number, since it is larger than the sum of its proper divisors (1).

23122391003 is an equidigital number, since it uses as much as digits as its factorization.

23122391003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 23122391003 in words is "twenty-three billion, one hundred twenty-two million, three hundred ninety-one thousand, three".