45041123 has 2 divisors, whose sum is σ = 45041124. Its totient is φ = 45041122.

The previous prime is 45041111. The next prime is 45041137. The reversal of 45041123 is 32114054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45041123 - 2⁸ = 45040867 is a prime.

It is a super-2 number, since 2×45041123² = 4057405522202258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 45041095 and 45041104.

It is not a weakly prime, because it can be changed into another prime (45041923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22520561 + 22520562.

It is an arithmetic number, because the mean of its divisors is an integer number (22520562).

Almost surely, 2^45041123 is an apocalyptic number.

45041123 is a deficient number, since it is larger than the sum of its proper divisors (1).

45041123 is an equidigital number, since it uses as much as digits as its factorization.

45041123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 45041123 is about 6711.2683600047. The cubic root of 45041123 is about 355.7976457008.

Adding to 45041123 its reverse (32114054), we get a palindrome (77155177).

The spelling of 45041123 in words is "forty-five million, forty-one thousand, one hundred twenty-three".