123344537053 has 4 divisors (see below), whose sum is σ = 123345984448. Its totient is φ = 123343089660.

The previous prime is 123344537039. The next prime is 123344537077. The reversal of 123344537053 is 350735443321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 350735443321 = 67 ⋅5234857363.

It is a cyclic number.

It is not a de Polignac number, because 123344537053 - 2²¹ = 123342439901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123344536997 and 123344537015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123344537453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587301 + ... + 769162.

It is an arithmetic number, because the mean of its divisors is an integer number (30836496112).

Almost surely, 2^123344537053 is an apocalyptic number.

It is an amenable number.

123344537053 is a deficient number, since it is larger than the sum of its proper divisors (1447395).

123344537053 is an equidigital number, since it uses as much as digits as its factorization.

123344537053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447394.

The product of its (nonzero) digits is 453600, while the sum is 40.

The spelling of 123344537053 in words is "one hundred twenty-three billion, three hundred forty-four million, five hundred thirty-seven thousand, fifty-three".