1338251223 has 16 divisors (see below), whose sum is σ = 1792224000. Its totient is φ = 888233280.

The previous prime is 1338251179. The next prime is 1338251269. The reversal of 1338251223 is 3221528331.

It is a happy number.

It is not a de Polignac number, because 1338251223 - 2⁸ = 1338250967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338251323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 955878 + ... + 957276.

It is an arithmetic number, because the mean of its divisors is an integer number (112014000).

Almost surely, 2^1338251223 is an apocalyptic number.

1338251223 is a deficient number, since it is larger than the sum of its proper divisors (453972777).

1338251223 is a wasteful number, since it uses less digits than its factorization.

1338251223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582.

The product of its digits is 8640, while the sum is 30.

The square root of 1338251223 is about 36582.1161635026. The cubic root of 1338251223 is about 1101.9939654567.

Adding to 1338251223 its reverse (3221528331), we get a palindrome (4559779554).

The spelling of 1338251223 in words is "one billion, three hundred thirty-eight million, two hundred fifty-one thousand, two hundred twenty-three".