7421026423 has 2 divisors, whose sum is σ = 7421026424. Its totient is φ = 7421026422.

The previous prime is 7421026367. The next prime is 7421026469. The reversal of 7421026423 is 3246201247.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7421026423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7421026523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710513211 + 3710513212.

It is an arithmetic number, because the mean of its divisors is an integer number (3710513212).

Almost surely, 2^7421026423 is an apocalyptic number.

7421026423 is a deficient number, since it is larger than the sum of its proper divisors (1).

7421026423 is an equidigital number, since it uses as much as digits as its factorization.

7421026423 is an odious number, because the sum of its binary digits is odd.

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

The square root of 7421026423 is about 86145.3795801028. The cubic root of 7421026423 is about 1950.5390946919.

The spelling of 7421026423 in words is "seven billion, four hundred twenty-one million, twenty-six thousand, four hundred twenty-three".