75133423 has 2 divisors, whose sum is σ = 75133424. Its totient is φ = 75133422.

The previous prime is 75133417. The next prime is 75133447. The reversal of 75133423 is 32433157.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75133423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75133391 and 75133400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75133463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37566711 + 37566712.

It is an arithmetic number, because the mean of its divisors is an integer number (37566712).

Almost surely, 2^75133423 is an apocalyptic number.

75133423 is a deficient number, since it is larger than the sum of its proper divisors (1).

75133423 is an equidigital number, since it uses as much as digits as its factorization.

75133423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 28.

The square root of 75133423 is about 8667.9537954468. The cubic root of 75133423 is about 421.9662585423.

The spelling of 75133423 in words is "seventy-five million, one hundred thirty-three thousand, four hundred twenty-three".