45403423 has 4 divisors (see below), whose sum is σ = 48896008. Its totient is φ = 41910840.

The previous prime is 45403411. The next prime is 45403427. The reversal of 45403423 is 32430454.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45403423 - 2⁹ = 45402911 is a prime.

It is a super-2 number, since 2×45403423² = 4122941640233858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45403427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1746273 + ... + 1746298.

It is an arithmetic number, because the mean of its divisors is an integer number (12224002).

Almost surely, 2^45403423 is an apocalyptic number.

45403423 is a deficient number, since it is larger than the sum of its proper divisors (3492585).

45403423 is a wasteful number, since it uses less digits than its factorization.

45403423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3492584.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 45403423 is about 6738.2062153069. The cubic root of 45403423 is about 356.7490828652.

Adding to 45403423 its reverse (32430454), we get a palindrome (77833877).

The spelling of 45403423 in words is "forty-five million, four hundred three thousand, four hundred twenty-three".