1123636087573 has 8 divisors (see below), whose sum is σ = 1126367827200. Its totient is φ = 1120905131568.

The previous prime is 1123636087499. The next prime is 1123636087601. The reversal of 1123636087573 is 3757806363211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123636087573 - 2³⁷ = 986197134101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123636087573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123636081573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2728308 + ... + 3113026.

It is an arithmetic number, because the mean of its divisors is an integer number (140795978400).

Almost surely, 2^{1123636087573} is an apocalyptic number.

It is an amenable number.

1123636087573 is a deficient number, since it is larger than the sum of its proper divisors (2731739627).

1123636087573 is an equidigital number, since it uses as much as digits as its factorization.

1123636087573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391811.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 1123636087573 in words is "one trillion, one hundred twenty-three billion, six hundred thirty-six million, eighty-seven thousand, five hundred seventy-three".