23213121103 has 2 divisors, whose sum is σ = 23213121104. Its totient is φ = 23213121102.

The previous prime is 23213121097. The next prime is 23213121149. The reversal of 23213121103 is 30112131232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23213121103 - 2²¹ = 23211023951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23213121193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606560551 + 11606560552.

It is an arithmetic number, because the mean of its divisors is an integer number (11606560552).

Almost surely, 2^23213121103 is an apocalyptic number.

23213121103 is a deficient number, since it is larger than the sum of its proper divisors (1).

23213121103 is an equidigital number, since it uses as much as digits as its factorization.

23213121103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23213121103 its reverse (30112131232), we get a palindrome (53325252335).

The spelling of 23213121103 in words is "twenty-three billion, two hundred thirteen million, one hundred twenty-one thousand, one hundred three".