45423563 has 2 divisors, whose sum is σ = 45423564. Its totient is φ = 45423562.

The previous prime is 45423559. The next prime is 45423601. The reversal of 45423563 is 36532454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45423563 - 2² = 45423559 is a prime.

It is a super-2 number, since 2×45423563² = 4126600151229938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45423163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22711781 + 22711782.

It is an arithmetic number, because the mean of its divisors is an integer number (22711782).

Almost surely, 2^45423563 is an apocalyptic number.

45423563 is a deficient number, since it is larger than the sum of its proper divisors (1).

45423563 is an equidigital number, since it uses as much as digits as its factorization.

45423563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 32.

The square root of 45423563 is about 6739.7005126341. The cubic root of 45423563 is about 356.8018238552.

The spelling of 45423563 in words is "forty-five million, four hundred twenty-three thousand, five hundred sixty-three".