53442544123 has 2 divisors, whose sum is σ = 53442544124. Its totient is φ = 53442544122.

The previous prime is 53442544091. The next prime is 53442544153. The reversal of 53442544123 is 32144524435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53442544123 - 2⁵ = 53442544091 is a prime.

It is a super-2 number, since 2×53442544123² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53442544153) 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, 26721272061 + 26721272062.

It is an arithmetic number, because the mean of its divisors is an integer number (26721272062).

Almost surely, 2^53442544123 is an apocalyptic number.

53442544123 is a deficient number, since it is larger than the sum of its proper divisors (1).

53442544123 is an equidigital number, since it uses as much as digits as its factorization.

53442544123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 230400, while the sum is 37.

The spelling of 53442544123 in words is "fifty-three billion, four hundred forty-two million, five hundred forty-four thousand, one hundred twenty-three".