75320023 has 2 divisors, whose sum is σ = 75320024. Its totient is φ = 75320022.

The previous prime is 75319973. The next prime is 75320033. The reversal of 75320023 is 32002357.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75320023 - 2⁹ = 75319511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75319976 and 75320003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75320033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37660011 + 37660012.

It is an arithmetic number, because the mean of its divisors is an integer number (37660012).

Almost surely, 2^75320023 is an apocalyptic number.

75320023 is a deficient number, since it is larger than the sum of its proper divisors (1).

75320023 is an equidigital number, since it uses as much as digits as its factorization.

75320023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 75320023 is about 8678.7109065805. The cubic root of 75320023 is about 422.3152989811.

The spelling of 75320023 in words is "seventy-five million, three hundred twenty thousand, twenty-three".