1361216162023 has 4 divisors (see below), whose sum is σ = 1362386598408. Its totient is φ = 1360045725640.

The previous prime is 1361216162021. The next prime is 1361216162029. The reversal of 1361216162023 is 3202616121631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1361216162023 - 2¹ = 1361216162021 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 1361216162023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361216162021) 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, 585216448 + ... + 585218773.

It is an arithmetic number, because the mean of its divisors is an integer number (340596649602).

Almost surely, 2^{1361216162023} is an apocalyptic number.

1361216162023 is a deficient number, since it is larger than the sum of its proper divisors (1170436385).

1361216162023 is a wasteful number, since it uses less digits than its factorization.

1361216162023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170436384.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 1361216162023 in words is "one trillion, three hundred sixty-one billion, two hundred sixteen million, one hundred sixty-two thousand, twenty-three".