1306244023 has 4 divisors (see below), whose sum is σ = 1492850320. Its totient is φ = 1119637728.

The previous prime is 1306243999. The next prime is 1306244029. The reversal of 1306244023 is 3204426031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1306244023 - 2¹³ = 1306235831 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 (1306244029) 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, 93303138 + ... + 93303151.

It is an arithmetic number, because the mean of its divisors is an integer number (373212580).

Almost surely, 2^1306244023 is an apocalyptic number.

1306244023 is a deficient number, since it is larger than the sum of its proper divisors (186606297).

1306244023 is an equidigital number, since it uses as much as digits as its factorization.

1306244023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186606296.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1306244023 is about 36141.9980493608. The cubic root of 1306244023 is about 1093.1374473594.

The spelling of 1306244023 in words is "one billion, three hundred six million, two hundred forty-four thousand, twenty-three".