1312202423 has 8 divisors (see below), whose sum is σ = 1500057600. Its totient is φ = 1124446680.

The previous prime is 1312202413. The next prime is 1312202449. The reversal of 1312202423 is 3242022131.

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

It is not a de Polignac number, because 1312202423 - 2⁴ = 1312202407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1312202395 and 1312202404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312202413) 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 7 ways as a sum of consecutive naturals, for example, 5978 + ... + 51576.

It is an arithmetic number, because the mean of its divisors is an integer number (187507200).

Almost surely, 2^1312202423 is an apocalyptic number.

1312202423 is a deficient number, since it is larger than the sum of its proper divisors (187855177).

1312202423 is an equidigital number, since it uses as much as digits as its factorization.

1312202423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49717.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1312202423 is about 36224.3346798806. The cubic root of 1312202423 is about 1094.7970330563.

Adding to 1312202423 its reverse (3242022131), we get a palindrome (4554224554).

The spelling of 1312202423 in words is "one billion, three hundred twelve million, two hundred two thousand, four hundred twenty-three".