1363131123 has 4 divisors (see below), whose sum is σ = 1817508168. Its totient is φ = 908754080.

The previous prime is 1363131073. The next prime is 1363131131. The reversal of 1363131123 is 3211313631.

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 1363131123 - 2²⁴ = 1346353907 is a prime.

It is a super-2 number, since 2×1363131123² = 3716252916982482258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1363131093 and 1363131102.

It is not an unprimeable number, because it can be changed into a prime (1363131173) 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, 227188518 + ... + 227188523.

It is an arithmetic number, because the mean of its divisors is an integer number (454377042).

Almost surely, 2^1363131123 is an apocalyptic number.

1363131123 is a deficient number, since it is larger than the sum of its proper divisors (454377045).

1363131123 is an equidigital number, since it uses as much as digits as its factorization.

1363131123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454377044.

The product of its digits is 972, while the sum is 24.

The square root of 1363131123 is about 36920.6056694632. The cubic root of 1363131123 is about 1108.7812619882.

Adding to 1363131123 its reverse (3211313631), we get a palindrome (4574444754).

The spelling of 1363131123 in words is "one billion, three hundred sixty-three million, one hundred thirty-one thousand, one hundred twenty-three".