1313051423 has 8 divisors (see below), whose sum is σ = 1391506128. Its totient is φ = 1234731904.

The previous prime is 1313051419. The next prime is 1313051437. The reversal of 1313051423 is 3241503131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313051423 - 2² = 1313051419 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 (1313051023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13436 + ... + 52977.

It is an arithmetic number, because the mean of its divisors is an integer number (173938266).

Almost surely, 2^1313051423 is an apocalyptic number.

1313051423 is a deficient number, since it is larger than the sum of its proper divisors (78454705).

1313051423 is a wasteful number, since it uses less digits than its factorization.

1313051423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67593.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1313051423 is about 36236.0514267214. The cubic root of 1313051423 is about 1095.0330947790.

Adding to 1313051423 its reverse (3241503131), we get a palindrome (4554554554).

The spelling of 1313051423 in words is "one billion, three hundred thirteen million, fifty-one thousand, four hundred twenty-three".