1300187423 has 4 divisors (see below), whose sum is σ = 1368618360. Its totient is φ = 1231756488.

The previous prime is 1300187419. The next prime is 1300187453. The reversal of 1300187423 is 3247810031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3247810031 = 191 ⋅17004241.

It is a cyclic number.

It is not a de Polignac number, because 1300187423 - 2² = 1300187419 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 (1300187453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34215440 + ... + 34215477.

It is an arithmetic number, because the mean of its divisors is an integer number (342154590).

Almost surely, 2^1300187423 is an apocalyptic number.

1300187423 is a deficient number, since it is larger than the sum of its proper divisors (68430937).

1300187423 is an equidigital number, since it uses as much as digits as its factorization.

1300187423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68430936.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1300187423 is about 36058.1117503399. Note that the first 3 decimals coincide. The cubic root of 1300187423 is about 1091.4453298044.

Adding to 1300187423 its reverse (3247810031), we get a palindrome (4547997454).

The spelling of 1300187423 in words is "one billion, three hundred million, one hundred eighty-seven thousand, four hundred twenty-three".