1361240223 has 8 divisors (see below), whose sum is σ = 2074270848. Its totient is φ = 777851544.

The previous prime is 1361240183. The next prime is 1361240233. The reversal of 1361240223 is 3220421631.

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

It is not a de Polignac number, because 1361240223 - 2⁶ = 1361240159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1361240193 and 1361240202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361240233) 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, 32410461 + ... + 32410502.

It is an arithmetic number, because the mean of its divisors is an integer number (259283856).

Almost surely, 2^1361240223 is an apocalyptic number.

1361240223 is a deficient number, since it is larger than the sum of its proper divisors (713030625).

1361240223 is an equidigital number, since it uses as much as digits as its factorization.

1361240223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64820973.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1361240223 is about 36894.9891313170. The cubic root of 1361240223 is about 1108.2683339096.

Adding to 1361240223 its reverse (3220421631), we get a palindrome (4581661854).

It can be divided in two parts, 13612 and 40223, that added together give a palindrome (53835).

The spelling of 1361240223 in words is "one billion, three hundred sixty-one million, two hundred forty thousand, two hundred twenty-three".