1423343131 has 6 divisors (see below), whose sum is σ = 1655725740. Its totient is φ = 1220008356.

The previous prime is 1423343107. The next prime is 1423343147. The reversal of 1423343131 is 1313433241.

It is not a de Polignac number, because 1423343131 - 2⁵ = 1423343099 is a prime.

It is a super-2 number, since 2×1423343131² = 4051811337129766322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1423343096 and 1423343105.

It is not an unprimeable number, because it can be changed into a prime (1423343161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14523861 + ... + 14523958.

It is an arithmetic number, because the mean of its divisors is an integer number (275954290).

Almost surely, 2^1423343131 is an apocalyptic number.

1423343131 is a deficient number, since it is larger than the sum of its proper divisors (232382609).

1423343131 is an equidigital number, since it uses as much as digits as its factorization.

1423343131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29047833 (or 29047826 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The square root of 1423343131 is about 37727.2200274550. The cubic root of 1423343131 is about 1124.8722504487.

Adding to 1423343131 its reverse (1313433241), we get a palindrome (2736776372).

The spelling of 1423343131 in words is "one billion, four hundred twenty-three million, three hundred forty-three thousand, one hundred thirty-one".