74236423 has 2 divisors, whose sum is σ = 74236424. Its totient is φ = 74236422.

The previous prime is 74236417. The next prime is 74236427. The reversal of 74236423 is 32463247.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74236423 - 2⁵ = 74236391 is a prime.

It is a super-2 number, since 2×74236423² = 11022092999669858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74236427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37118211 + 37118212.

It is an arithmetic number, because the mean of its divisors is an integer number (37118212).

Almost surely, 2^74236423 is an apocalyptic number.

74236423 is a deficient number, since it is larger than the sum of its proper divisors (1).

74236423 is an equidigital number, since it uses as much as digits as its factorization.

74236423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 31.

The square root of 74236423 is about 8616.0561163446. The cubic root of 74236423 is about 420.2802796609.

The spelling of 74236423 in words is "seventy-four million, two hundred thirty-six thousand, four hundred twenty-three".