75453223 has 2 divisors, whose sum is σ = 75453224. Its totient is φ = 75453222.

The previous prime is 75453193. The next prime is 75453229. The reversal of 75453223 is 32235457.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75453223 - 2¹⁷ = 75322151 is a prime.

It is a super-2 number, since 2×75453223² = 11386377722175458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75453229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37726611 + 37726612.

It is an arithmetic number, because the mean of its divisors is an integer number (37726612).

Almost surely, 2^75453223 is an apocalyptic number.

75453223 is a deficient number, since it is larger than the sum of its proper divisors (1).

75453223 is an equidigital number, since it uses as much as digits as its factorization.

75453223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 31.

The square root of 75453223 is about 8686.3814675617. The cubic root of 75453223 is about 422.5641007746.

The spelling of 75453223 in words is "seventy-five million, four hundred fifty-three thousand, two hundred twenty-three".