45502423 has 2 divisors, whose sum is σ = 45502424. Its totient is φ = 45502422.

The previous prime is 45502417. The next prime is 45502427. The reversal of 45502423 is 32420554.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45502423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45502427) 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, 22751211 + 22751212.

It is an arithmetic number, because the mean of its divisors is an integer number (22751212).

Almost surely, 2^45502423 is an apocalyptic number.

45502423 is a deficient number, since it is larger than the sum of its proper divisors (1).

45502423 is an equidigital number, since it uses as much as digits as its factorization.

45502423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 45502423 is about 6745.5483839344. The cubic root of 45502423 is about 357.0081860933.

Adding to 45502423 its reverse (32420554), we get a palindrome (77922977).

The spelling of 45502423 in words is "forty-five million, five hundred two thousand, four hundred twenty-three".