23103221152553 has 2 divisors, whose sum is σ = 23103221152554. Its totient is φ = 23103221152552.

The previous prime is 23103221152523. The next prime is 23103221152597. The reversal of 23103221152553 is 35525112230132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17143309640704 + 5959911511849 = 4140448^2 + 2441293^2 .

It is a cyclic number.

It is not a de Polignac number, because 23103221152553 - 2²² = 23103216958249 is a prime.

It is not a weakly prime, because it can be changed into another prime (23103221152523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11551610576276 + 11551610576277.

It is an arithmetic number, because the mean of its divisors is an integer number (11551610576277).

Almost surely, 2^{23103221152553} is an apocalyptic number.

It is an amenable number.

23103221152553 is a deficient number, since it is larger than the sum of its proper divisors (1).

23103221152553 is an equidigital number, since it uses as much as digits as its factorization.

23103221152553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 23103221152553 its reverse (35525112230132), we get a palindrome (58628333382685).

The spelling of 23103221152553 in words is "twenty-three trillion, one hundred three billion, two hundred twenty-one million, one hundred fifty-two thousand, five hundred fifty-three".