1123354776457 has 4 divisors (see below), whose sum is σ = 1182478712080. Its totient is φ = 1064230840836.

The previous prime is 1123354776449. The next prime is 1123354776517. The reversal of 1123354776457 is 7546774533211.

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 not a de Polignac number, because 1123354776457 - 2³ = 1123354776449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123354776398 and 1123354776407.

It is not an unprimeable number, because it can be changed into a prime (1123334776457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29561967783 + ... + 29561967820.

It is an arithmetic number, because the mean of its divisors is an integer number (295619678020).

Almost surely, 2^{1123354776457} is an apocalyptic number.

It is an amenable number.

1123354776457 is a deficient number, since it is larger than the sum of its proper divisors (59123935623).

1123354776457 is an equidigital number, since it uses as much as digits as its factorization.

1123354776457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59123935622.

The product of its digits is 14817600, while the sum is 55.

The spelling of 1123354776457 in words is "one trillion, one hundred twenty-three billion, three hundred fifty-four million, seven hundred seventy-six thousand, four hundred fifty-seven".