7638023 has 2 divisors, whose sum is σ = 7638024. Its totient is φ = 7638022.

The previous prime is 7638011. The next prime is 7638031. The reversal of 7638023 is 3208367.

It is a strong prime.

It is an emirp because it is prime and its reverse (3208367) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7638023 - 2¹⁰ = 7636999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7638053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3819011 + 3819012.

It is an arithmetic number, because the mean of its divisors is an integer number (3819012).

Almost surely, 2^7638023 is an apocalyptic number.

7638023 is a deficient number, since it is larger than the sum of its proper divisors (1).

7638023 is an equidigital number, since it uses as much as digits as its factorization.

7638023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 7638023 is about 2763.6973423297. The cubic root of 7638023 is about 196.9368500725.

The spelling of 7638023 in words is "seven million, six hundred thirty-eight thousand, twenty-three".