23103021133 has 2 divisors, whose sum is σ = 23103021134. Its totient is φ = 23103021132.

The previous prime is 23103021121. The next prime is 23103021173. The reversal of 23103021133 is 33112030132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21876480649 + 1226540484 = 147907^2 + 35022^2 .

It is a cyclic number.

It is not a de Polignac number, because 23103021133 - 2¹³ = 23103012941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23103021133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23103021173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11551510566 + 11551510567.

It is an arithmetic number, because the mean of its divisors is an integer number (11551510567).

Almost surely, 2^23103021133 is an apocalyptic number.

It is an amenable number.

23103021133 is a deficient number, since it is larger than the sum of its proper divisors (1).

23103021133 is an equidigital number, since it uses as much as digits as its factorization.

23103021133 is an evil number, because the sum of its binary digits is even.

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

Adding to 23103021133 its reverse (33112030132), we get a palindrome (56215051265).

The spelling of 23103021133 in words is "twenty-three billion, one hundred three million, twenty-one thousand, one hundred thirty-three".