45161723 has 2 divisors, whose sum is σ = 45161724. Its totient is φ = 45161722.

The previous prime is 45161681. The next prime is 45161747. The reversal of 45161723 is 32716154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45161723 - 2¹⁰ = 45160699 is a prime.

It is a super-3 number, since 3×45161723³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (45161773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22580861 + 22580862.

It is an arithmetic number, because the mean of its divisors is an integer number (22580862).

Almost surely, 2^45161723 is an apocalyptic number.

45161723 is a deficient number, since it is larger than the sum of its proper divisors (1).

45161723 is an equidigital number, since it uses as much as digits as its factorization.

45161723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 45161723 is about 6720.2472424755. The cubic root of 45161723 is about 356.1149183979.

Adding to 45161723 its reverse (32716154), we get a palindrome (77877877).

The spelling of 45161723 in words is "forty-five million, one hundred sixty-one thousand, seven hundred twenty-three".