45032923 has 12 divisors (see below), whose sum is σ = 49395360. Its totient is φ = 41030496.

The previous prime is 45032921. The next prime is 45032951. The reversal of 45032923 is 32923054.

It is not a de Polignac number, because 45032923 - 2¹ = 45032921 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45032891 and 45032900.

It is not an unprimeable number, because it can be changed into a prime (45032921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11665 + ... + 15037.

It is an arithmetic number, because the mean of its divisors is an integer number (4116280).

Almost surely, 2^45032923 is an apocalyptic number.

45032923 is a deficient number, since it is larger than the sum of its proper divisors (4362437).

45032923 is a wasteful number, since it uses less digits than its factorization.

45032923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3478 (or 3465 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 45032923 is about 6710.6574193591. The cubic root of 45032923 is about 355.7760527093.

Adding to 45032923 its reverse (32923054), we get a palindrome (77955977).

The spelling of 45032923 in words is "forty-five million, thirty-two thousand, nine hundred twenty-three".