1310420423 has 16 divisors (see below), whose sum is σ = 1481350080. Its totient is φ = 1156982112.

The previous prime is 1310420413. The next prime is 1310420429. The reversal of 1310420423 is 3240240131.

It is not a de Polignac number, because 1310420423 - 2¹⁸ = 1310158279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310420395 and 1310420404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310420429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37565 + ... + 63497.

It is an arithmetic number, because the mean of its divisors is an integer number (92584380).

Almost surely, 2^1310420423 is an apocalyptic number.

1310420423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1310420423 is a deficient number, since it is larger than the sum of its proper divisors (170929657).

1310420423 is an equidigital number, since it uses as much as digits as its factorization.

1310420423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25995 (or 25969 counting only the distinct ones).

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

The square root of 1310420423 is about 36199.7295984376. The cubic root of 1310420423 is about 1094.3012223286.

Adding to 1310420423 its reverse (3240240131), we get a palindrome (4550660554).

The spelling of 1310420423 in words is "one billion, three hundred ten million, four hundred twenty thousand, four hundred twenty-three".