7957423 has 2 divisors, whose sum is σ = 7957424. Its totient is φ = 7957422.

The previous prime is 7957393. The next prime is 7957427. The reversal of 7957423 is 3247597.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7957423 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 7⁵ + 9⁴ + 5 + 7⁸ + 4⁸ + 2²¹ + 3⁸ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7957427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3978711 + 3978712.

It is an arithmetic number, because the mean of its divisors is an integer number (3978712).

Almost surely, 2^7957423 is an apocalyptic number.

7957423 is a deficient number, since it is larger than the sum of its proper divisors (1).

7957423 is an equidigital number, since it uses as much as digits as its factorization.

7957423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 37.

The square root of 7957423 is about 2820.8904622477. The cubic root of 7957423 is about 199.6445603542.

It can be divided in two parts, 79574 and 23, that added together give a palindrome (79597).

The spelling of 7957423 in words is "seven million, nine hundred fifty-seven thousand, four hundred twenty-three".