1361331602223 has 8 divisors (see below), whose sum is σ = 1826244440448. Its totient is φ = 901986582744.

The previous prime is 1361331602177. The next prime is 1361331602261. The reversal of 1361331602223 is 3222061331631.

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

It is not a de Polignac number, because 1361331602223 - 2⁶ = 1361331602159 is a prime.

It is a super-2 number, since 2×1361331602223² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361331602123) 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, 1391954115 + ... + 1391955092.

It is an arithmetic number, because the mean of its divisors is an integer number (228280555056).

Almost surely, 2^{1361331602223} is an apocalyptic number.

1361331602223 is a deficient number, since it is larger than the sum of its proper divisors (464912838225).

1361331602223 is a wasteful number, since it uses less digits than its factorization.

1361331602223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783909373.

The product of its (nonzero) digits is 23328, while the sum is 33.

Adding to 1361331602223 its reverse (3222061331631), we get a palindrome (4583392933854).

The spelling of 1361331602223 in words is "one trillion, three hundred sixty-one billion, three hundred thirty-one million, six hundred two thousand, two hundred twenty-three".