123544450413011 has 2 divisors, whose sum is σ = 123544450413012. Its totient is φ = 123544450413010.

The previous prime is 123544450413001. The next prime is 123544450413019. The reversal of 123544450413011 is 110314054445321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123544450413011 - 2⁴² = 119146403901907 is a prime.

It is a super-2 number, since 2×123544450413011² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123544450413019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61772225206505 + 61772225206506.

It is an arithmetic number, because the mean of its divisors is an integer number (61772225206506).

Almost surely, 2^{123544450413011} is an apocalyptic number.

123544450413011 is a deficient number, since it is larger than the sum of its proper divisors (1).

123544450413011 is an equidigital number, since it uses as much as digits as its factorization.

123544450413011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 123544450413011 in words is "one hundred twenty-three trillion, five hundred forty-four billion, four hundred fifty million, four hundred thirteen thousand, eleven".