2140023407 has 2 divisors, whose sum is σ = 2140023408. Its totient is φ = 2140023406.

The previous prime is 2140023367. The next prime is 2140023469. The reversal of 2140023407 is 7043200412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2140023407 - 2⁶ = 2140023343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2140023497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070011703 + 1070011704.

It is an arithmetic number, because the mean of its divisors is an integer number (1070011704).

Almost surely, 2^2140023407 is an apocalyptic number.

2140023407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140023407 is an equidigital number, since it uses as much as digits as its factorization.

2140023407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 2140023407 is about 46260.3870174040. The cubic root of 2140023407 is about 1288.6634409105.

Adding to 2140023407 its reverse (7043200412), we get a palindrome (9183223819).

The spelling of 2140023407 in words is "two billion, one hundred forty million, twenty-three thousand, four hundred seven".