45427423 has 4 divisors (see below), whose sum is σ = 47818360. Its totient is φ = 43036488.

The previous prime is 45427397. The next prime is 45427471. The reversal of 45427423 is 32472454.

It is a happy number.

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 45427423 - 2⁵ = 45427391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45427483) 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, 1195440 + ... + 1195477.

It is an arithmetic number, because the mean of its divisors is an integer number (11954590).

Almost surely, 2^45427423 is an apocalyptic number.

45427423 is a deficient number, since it is larger than the sum of its proper divisors (2390937).

45427423 is a wasteful number, since it uses less digits than its factorization.

45427423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390936.

The product of its digits is 26880, while the sum is 31.

The square root of 45427423 is about 6739.9868694234. The cubic root of 45427423 is about 356.8119303281.

Adding to 45427423 its reverse (32472454), we get a palindrome (77899877).

The spelling of 45427423 in words is "forty-five million, four hundred twenty-seven thousand, four hundred twenty-three".