123422531435153 has 2 divisors, whose sum is σ = 123422531435154. Its totient is φ = 123422531435152.

The previous prime is 123422531435129. The next prime is 123422531435197. The reversal of 123422531435153 is 351534135224321.

It is an a-pointer prime, because the next prime (123422531435197) can be obtained adding 123422531435153 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123385509057409 + 37022377744 = 11107903^2 + 192412^2 .

It is a cyclic number.

It is not a de Polignac number, because 123422531435153 - 2⁴⁶ = 53053787257489 is a prime.

It is a super-2 number, since 2×123422531435153² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123422531435653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61711265717576 + 61711265717577.

It is an arithmetic number, because the mean of its divisors is an integer number (61711265717577).

Almost surely, 2^{123422531435153} is an apocalyptic number.

It is an amenable number.

123422531435153 is a deficient number, since it is larger than the sum of its proper divisors (1).

123422531435153 is an equidigital number, since it uses as much as digits as its factorization.

123422531435153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296000, while the sum is 44.

Adding to 123422531435153 its reverse (351534135224321), we get a palindrome (474956666659474).

The spelling of 123422531435153 in words is "one hundred twenty-three trillion, four hundred twenty-two billion, five hundred thirty-one million, four hundred thirty-five thousand, one hundred fifty-three".