45073423 has 4 divisors (see below), whose sum is σ = 46032480. Its totient is φ = 44114368.

The previous prime is 45073393. The next prime is 45073451. The reversal of 45073423 is 32437054.

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 45073423 - 2¹³ = 45065231 is a prime.

It is a super-2 number, since 2×45073423² = 4063226921873858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45073391 and 45073400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45073493) 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, 479458 + ... + 479551.

It is an arithmetic number, because the mean of its divisors is an integer number (11508120).

Almost surely, 2^45073423 is an apocalyptic number.

45073423 is a deficient number, since it is larger than the sum of its proper divisors (959057).

45073423 is an equidigital number, since it uses as much as digits as its factorization.

45073423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959056.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 45073423 is about 6713.6743293073. The cubic root of 45073423 is about 355.8826755370.

The spelling of 45073423 in words is "forty-five million, seventy-three thousand, four hundred twenty-three".