123044220112153 has 2 divisors, whose sum is σ = 123044220112154. Its totient is φ = 123044220112152.

The previous prime is 123044220112139. The next prime is 123044220112217. The reversal of 123044220112153 is 351211022440321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72073359097609 + 50970861014544 = 8489603^2 + 7139388^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123044220112153 is a prime.

It is not a weakly prime, because it can be changed into another prime (123044220112453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61522110056076 + 61522110056077.

It is an arithmetic number, because the mean of its divisors is an integer number (61522110056077).

Almost surely, 2^{123044220112153} is an apocalyptic number.

It is an amenable number.

123044220112153 is a deficient number, since it is larger than the sum of its proper divisors (1).

123044220112153 is an equidigital number, since it uses as much as digits as its factorization.

123044220112153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 123044220112153 its reverse (351211022440321), we get a palindrome (474255242552474).

The spelling of 123044220112153 in words is "one hundred twenty-three trillion, forty-four billion, two hundred twenty million, one hundred twelve thousand, one hundred fifty-three".