45393623 has 4 divisors (see below), whose sum is σ = 49520328. Its totient is φ = 41266920.

The previous prime is 45393619. The next prime is 45393629. The reversal of 45393623 is 32639354.

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 45393623 - 2² = 45393619 is a prime.

It is a super-2 number, since 2×45393623² = 4121162018132258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45393629) 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, 2063336 + ... + 2063357.

It is an arithmetic number, because the mean of its divisors is an integer number (12380082).

Almost surely, 2^45393623 is an apocalyptic number.

45393623 is a deficient number, since it is larger than the sum of its proper divisors (4126705).

45393623 is a wasteful number, since it uses less digits than its factorization.

45393623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4126704.

The product of its digits is 58320, while the sum is 35.

The square root of 45393623 is about 6737.4789795590. The cubic root of 45393623 is about 356.7234137831.

The spelling of 45393623 in words is "forty-five million, three hundred ninety-three thousand, six hundred twenty-three".