45343623 has 16 divisors (see below), whose sum is σ = 65691360. Its totient is φ = 27654144.

The previous prime is 45343609. The next prime is 45343643. The reversal of 45343623 is 32634354.

It is not a de Polignac number, because 45343623 - 2¹³ = 45335431 is a prime.

It is a super-2 number, since 2×45343623² = 4112088293532258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45343643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 738 + ... + 9551.

It is an arithmetic number, because the mean of its divisors is an integer number (4105710).

Almost surely, 2^45343623 is an apocalyptic number.

45343623 is a deficient number, since it is larger than the sum of its proper divisors (20347737).

45343623 is a wasteful number, since it uses less digits than its factorization.

45343623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10418.

The product of its digits is 25920, while the sum is 30.

The square root of 45343623 is about 6733.7673704992. The cubic root of 45343623 is about 356.5923915365.

Adding to 45343623 its reverse (32634354), we get a palindrome (77977977).

The spelling of 45343623 in words is "forty-five million, three hundred forty-three thousand, six hundred twenty-three".