1313164723 has 4 divisors (see below), whose sum is σ = 1414177408. Its totient is φ = 1212152040.

The previous prime is 1313164717. The next prime is 1313164739. The reversal of 1313164723 is 3274613131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313164723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313164753) 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, 50506323 + ... + 50506348.

It is an arithmetic number, because the mean of its divisors is an integer number (353544352).

Almost surely, 2^1313164723 is an apocalyptic number.

1313164723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1313164723 is a deficient number, since it is larger than the sum of its proper divisors (101012685).

1313164723 is a wasteful number, since it uses less digits than its factorization.

1313164723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101012684.

The product of its digits is 9072, while the sum is 31.

The square root of 1313164723 is about 36237.6147531815. The cubic root of 1313164723 is about 1095.0645897834.

Adding to 1313164723 its reverse (3274613131), we get a palindrome (4587777854).

The spelling of 1313164723 in words is "one billion, three hundred thirteen million, one hundred sixty-four thousand, seven hundred twenty-three".