1340224023 has 8 divisors (see below), whose sum is σ = 1844609536. Its totient is φ = 864660600.

The previous prime is 1340224021. The next prime is 1340224049. The reversal of 1340224023 is 3204220431.

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

It is not a de Polignac number, because 1340224023 - 2¹ = 1340224021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340224021) 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, 7205413 + ... + 7205598.

It is an arithmetic number, because the mean of its divisors is an integer number (230576192).

Almost surely, 2^1340224023 is an apocalyptic number.

1340224023 is a deficient number, since it is larger than the sum of its proper divisors (504385513).

1340224023 is a wasteful number, since it uses less digits than its factorization.

1340224023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14411045.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1340224023 is about 36609.0702285649. The cubic root of 1340224023 is about 1102.5352057083.

Adding to 1340224023 its reverse (3204220431), we get a palindrome (4544444454).

The spelling of 1340224023 in words is "one billion, three hundred forty million, two hundred twenty-four thousand, twenty-three".