75011423 has 2 divisors, whose sum is σ = 75011424. Its totient is φ = 75011422.

The previous prime is 75011401. The next prime is 75011437. The reversal of 75011423 is 32411057.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75011423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75031423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37505711 + 37505712.

It is an arithmetic number, because the mean of its divisors is an integer number (37505712).

Almost surely, 2^75011423 is an apocalyptic number.

75011423 is a deficient number, since it is larger than the sum of its proper divisors (1).

75011423 is an equidigital number, since it uses as much as digits as its factorization.

75011423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 75011423 is about 8660.9135199470. The cubic root of 75011423 is about 421.7377416336.

The spelling of 75011423 in words is "seventy-five million, eleven thousand, four hundred twenty-three".