45430523 has 2 divisors, whose sum is σ = 45430524. Its totient is φ = 45430522.

The previous prime is 45430499. The next prime is 45430571. The reversal of 45430523 is 32503454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45430523 - 2⁶ = 45430459 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 45430492 and 45430501.

It is not a weakly prime, because it can be changed into another prime (45430123) 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, 22715261 + 22715262.

It is an arithmetic number, because the mean of its divisors is an integer number (22715262).

Almost surely, 2^45430523 is an apocalyptic number.

45430523 is a deficient number, since it is larger than the sum of its proper divisors (1).

45430523 is an equidigital number, since it uses as much as digits as its factorization.

45430523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 45430523 is about 6740.2168362746. The cubic root of 45430523 is about 356.8200465110.

Adding to 45430523 its reverse (32503454), we get a palindrome (77933977).

The spelling of 45430523 in words is "forty-five million, four hundred thirty thousand, five hundred twenty-three".