1361777577223 has 12 divisors (see below), whose sum is σ = 1594740220200. Its totient is φ = 1159404105552.

The previous prime is 1361777577221. The next prime is 1361777577247. The reversal of 1361777577223 is 3227757771631.

It is not a de Polignac number, because 1361777577223 - 2¹ = 1361777577221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361777577221) 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 11 ways as a sum of consecutive naturals, for example, 93252361 + ... + 93266962.

It is an arithmetic number, because the mean of its divisors is an integer number (132895018350).

Almost surely, 2^{1361777577223} is an apocalyptic number.

1361777577223 is a deficient number, since it is larger than the sum of its proper divisors (232962642977).

1361777577223 is a wasteful number, since it uses less digits than its factorization.

1361777577223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186519486 (or 186519479 counting only the distinct ones).

The product of its digits is 18151560, while the sum is 58.

The spelling of 1361777577223 in words is "one trillion, three hundred sixty-one billion, seven hundred seventy-seven million, five hundred seventy-seven thousand, two hundred twenty-three".