1340423211 has 8 divisors (see below), whose sum is σ = 1816530064. Its totient is φ = 878965920.

The previous prime is 1340423197. The next prime is 1340423261. The reversal of 1340423211 is 1123240431.

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

It is not a de Polignac number, because 1340423211 - 2⁵ = 1340423179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340423261) 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, 3662176 + ... + 3662541.

It is an arithmetic number, because the mean of its divisors is an integer number (227066258).

Almost surely, 2^1340423211 is an apocalyptic number.

1340423211 is a deficient number, since it is larger than the sum of its proper divisors (476106853).

1340423211 is an equidigital number, since it uses as much as digits as its factorization.

1340423211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7324781.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1340423211 is about 36611.7906008433. The cubic root of 1340423211 is about 1102.5898236677.

Adding to 1340423211 its reverse (1123240431), we get a palindrome (2463663642).

The spelling of 1340423211 in words is "one billion, three hundred forty million, four hundred twenty-three thousand, two hundred eleven".