23103121001 has 2 divisors, whose sum is σ = 23103121002. Its totient is φ = 23103121000.

The previous prime is 23103120973. The next prime is 23103121007. The reversal of 23103121001 is 10012130132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23012890000 + 90231001 = 151700^2 + 9499^2 .

It is a cyclic number.

It is not a de Polignac number, because 23103121001 - 2¹⁴ = 23103104617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23103121007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11551560500 + 11551560501.

It is an arithmetic number, because the mean of its divisors is an integer number (11551560501).

Almost surely, 2^23103121001 is an apocalyptic number.

It is an amenable number.

23103121001 is a deficient number, since it is larger than the sum of its proper divisors (1).

23103121001 is an equidigital number, since it uses as much as digits as its factorization.

23103121001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 23103121001 its reverse (10012130132), we get a palindrome (33115251133).

The spelling of 23103121001 in words is "twenty-three billion, one hundred three million, one hundred twenty-one thousand, one".