45521323 has 2 divisors, whose sum is σ = 45521324. Its totient is φ = 45521322.

The previous prime is 45521309. The next prime is 45521327. The reversal of 45521323 is 32312554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45521323 - 2¹⁷ = 45390251 is a prime.

It is a super-3 number, since 3×45521323³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (45521327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22760661 + 22760662.

It is an arithmetic number, because the mean of its divisors is an integer number (22760662).

Almost surely, 2^45521323 is an apocalyptic number.

45521323 is a deficient number, since it is larger than the sum of its proper divisors (1).

45521323 is an equidigital number, since it uses as much as digits as its factorization.

45521323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 25.

The square root of 45521323 is about 6746.9491623993. The cubic root of 45521323 is about 357.0576085217.

Adding to 45521323 its reverse (32312554), we get a palindrome (77833877).

The spelling of 45521323 in words is "forty-five million, five hundred twenty-one thousand, three hundred twenty-three".