1351223433 has 12 divisors (see below), whose sum is σ = 2230591168. Its totient is φ = 772127640.

The previous prime is 1351223417. The next prime is 1351223501. The reversal of 1351223433 is 3343221531.

1351223433 is a `hidden beast` number, since 1 + 3 + 5 + 1 + 223 + 433 = 666.

It is not a de Polignac number, because 1351223433 - 2⁴ = 1351223417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1351223397 and 1351223406.

It is not an unprimeable number, because it can be changed into a prime (1351223233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10723933 + ... + 10724058.

Almost surely, 2^1351223433 is an apocalyptic number.

It is an amenable number.

1351223433 is a deficient number, since it is larger than the sum of its proper divisors (879367735).

1351223433 is a wasteful number, since it uses less digits than its factorization.

1351223433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21448004 (or 21448001 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 1351223433 is about 36758.9911858310. The cubic root of 1351223433 is about 1105.5432129150.

Adding to 1351223433 its reverse (3343221531), we get a palindrome (4694444964).

The spelling of 1351223433 in words is "one billion, three hundred fifty-one million, two hundred twenty-three thousand, four hundred thirty-three".