123554235163193 has 2 divisors, whose sum is σ = 123554235163194. Its totient is φ = 123554235163192.

The previous prime is 123554235163189. The next prime is 123554235163267. The reversal of 123554235163193 is 391361532455321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121627657851049 + 1926577312144 = 11028493^2 + 1388012^2 .

It is a cyclic number.

It is not a de Polignac number, because 123554235163193 - 2² = 123554235163189 is a prime.

It is not a weakly prime, because it can be changed into another prime (123554235163133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61777117581596 + 61777117581597.

It is an arithmetic number, because the mean of its divisors is an integer number (61777117581597).

Almost surely, 2^{123554235163193} is an apocalyptic number.

It is an amenable number.

123554235163193 is a deficient number, since it is larger than the sum of its proper divisors (1).

123554235163193 is an equidigital number, since it uses as much as digits as its factorization.

123554235163193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748000, while the sum is 53.

The spelling of 123554235163193 in words is "one hundred twenty-three trillion, five hundred fifty-four billion, two hundred thirty-five million, one hundred sixty-three thousand, one hundred ninety-three".