1307123653 has 4 divisors (see below), whose sum is σ = 1425953088. Its totient is φ = 1188294220.

The previous prime is 1307123647. The next prime is 1307123681. The reversal of 1307123653 is 3563217031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1307123653 - 2⁹ = 1307123141 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 (1307123053) 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, 59414701 + ... + 59414722.

It is an arithmetic number, because the mean of its divisors is an integer number (356488272).

Almost surely, 2^1307123653 is an apocalyptic number.

It is an amenable number.

1307123653 is a deficient number, since it is larger than the sum of its proper divisors (118829435).

1307123653 is a wasteful number, since it uses less digits than its factorization.

1307123653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118829434.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 1307123653 is about 36154.1650850908. The cubic root of 1307123653 is about 1093.3827666917.

The spelling of 1307123653 in words is "one billion, three hundred seven million, one hundred twenty-three thousand, six hundred fifty-three".