1301909423 has 4 divisors (see below), whose sum is σ = 1309182840. Its totient is φ = 1294636008.

The previous prime is 1301909381. The next prime is 1301909429. The reversal of 1301909423 is 3249091031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3249091031 = 26141 ⋅124291.

It is a cyclic number.

It is not a de Polignac number, because 1301909423 - 2⁶ = 1301909359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1301909423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301909429) 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, 3636440 + ... + 3636797.

It is an arithmetic number, because the mean of its divisors is an integer number (327295710).

Almost surely, 2^1301909423 is an apocalyptic number.

1301909423 is a deficient number, since it is larger than the sum of its proper divisors (7273417).

1301909423 is an equidigital number, since it uses as much as digits as its factorization.

1301909423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7273416.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 1301909423 is about 36081.9819716157. The cubic root of 1301909423 is about 1091.9269628614.

The spelling of 1301909423 in words is "one billion, three hundred one million, nine hundred nine thousand, four hundred twenty-three".