75321423 has 24 divisors (see below), whose sum is σ = 112020480. Its totient is φ = 48741840.

The previous prime is 75321391. The next prime is 75321443. The reversal of 75321423 is 32412357.

It is not a de Polignac number, because 75321423 - 2⁵ = 75321391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75321443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73408 + ... + 74426.

It is an arithmetic number, because the mean of its divisors is an integer number (4667520).

Almost surely, 2^75321423 is an apocalyptic number.

75321423 is a deficient number, since it is larger than the sum of its proper divisors (36699057).

75321423 is a wasteful number, since it uses less digits than its factorization.

75321423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259 (or 1256 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 75321423 is about 8678.7915633457. The cubic root of 75321423 is about 422.3179155396.

The spelling of 75321423 in words is "seventy-five million, three hundred twenty-one thousand, four hundred twenty-three".