1302400223 has 4 divisors (see below), whose sum is σ = 1303211280. Its totient is φ = 1301589168.

The previous prime is 1302400213. The next prime is 1302400261. The reversal of 1302400223 is 3220042031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3220042031 = 37 ⋅87028163.

It is a cyclic number.

It is not a de Polignac number, because 1302400223 - 2¹⁰ = 1302399199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302400213) 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, 403115 + ... + 406332.

It is an arithmetic number, because the mean of its divisors is an integer number (325802820).

Almost surely, 2^1302400223 is an apocalyptic number.

1302400223 is a deficient number, since it is larger than the sum of its proper divisors (811057).

1302400223 is an equidigital number, since it uses as much as digits as its factorization.

1302400223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811056.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1302400223 is about 36088.7825092507. The cubic root of 1302400223 is about 1092.0641588941.

Adding to 1302400223 its reverse (3220042031), we get a palindrome (4522442254).

The spelling of 1302400223 in words is "one billion, three hundred two million, four hundred thousand, two hundred twenty-three".