1123648079453 has 4 divisors (see below), whose sum is σ = 1123754024640. Its totient is φ = 1123542134268.

The previous prime is 1123648079431. The next prime is 1123648079461. The reversal of 1123648079453 is 3549708463211.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123648079453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123648079395 and 1123648079404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123648079423) 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 in 3 ways as a sum of consecutive naturals, for example, 52956683 + ... + 52977896.

It is an arithmetic number, because the mean of its divisors is an integer number (280938506160).

It is a 1-persistent number, because it is pandigital, but 2⋅1123648079453 = 2247296158906 is not.

Almost surely, 2^{1123648079453} is an apocalyptic number.

It is an amenable number.

1123648079453 is a deficient number, since it is larger than the sum of its proper divisors (105945187).

1123648079453 is a wasteful number, since it uses less digits than its factorization.

1123648079453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105945186.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 1123648079453 in words is "one trillion, one hundred twenty-three billion, six hundred forty-eight million, seventy-nine thousand, four hundred fifty-three".