1312102423 has 4 divisors (see below), whose sum is σ = 1315996240. Its totient is φ = 1308208608.

The previous prime is 1312102417. The next prime is 1312102439. The reversal of 1312102423 is 3242012131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3242012131 = 1291 ⋅2511241.

It is a cyclic number.

It is not a de Polignac number, because 1312102423 - 2¹⁷ = 1311971351 is a prime.

It is a super-2 number, since 2×1312102423² = 3443225536884941858, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1312102423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312102403) 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, 1946403 + ... + 1947076.

It is an arithmetic number, because the mean of its divisors is an integer number (328999060).

Almost surely, 2^1312102423 is an apocalyptic number.

1312102423 is a deficient number, since it is larger than the sum of its proper divisors (3893817).

1312102423 is an equidigital number, since it uses as much as digits as its factorization.

1312102423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3893816.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1312102423 is about 36222.9543659818. The cubic root of 1312102423 is about 1094.7692216753.

Adding to 1312102423 its reverse (3242012131), we get a palindrome (4554114554).

The spelling of 1312102423 in words is "one billion, three hundred twelve million, one hundred two thousand, four hundred twenty-three".