3240278023 has 2 divisors, whose sum is σ = 3240278024. Its totient is φ = 3240278022.

The previous prime is 3240278021. The next prime is 3240278033. The reversal of 3240278023 is 3208720423.

It is a weak prime.

It is an emirp because it is prime and its reverse (3208720423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3240278023 - 2¹ = 3240278021 is a prime.

Together with 3240278021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3240278021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620139011 + 1620139012.

It is an arithmetic number, because the mean of its divisors is an integer number (1620139012).

Almost surely, 2^3240278023 is an apocalyptic number.

3240278023 is a deficient number, since it is larger than the sum of its proper divisors (1).

3240278023 is an equidigital number, since it uses as much as digits as its factorization.

3240278023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 3240278023 is about 56923.4400137588. The cubic root of 3240278023 is about 1479.7695683062.

Adding to 3240278023 its reverse (3208720423), we get a palindrome (6448998446).

The spelling of 3240278023 in words is "three billion, two hundred forty million, two hundred seventy-eight thousand, twenty-three".