457345423 has 4 divisors (see below), whose sum is σ = 457497040. Its totient is φ = 457193808.

The previous prime is 457345411. The next prime is 457345451. The reversal of 457345423 is 324543754.

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 457345423 - 2²¹ = 455248271 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 (457345453) 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, 71190 + ... + 77347.

It is an arithmetic number, because the mean of its divisors is an integer number (114374260).

Almost surely, 2^457345423 is an apocalyptic number.

457345423 is a deficient number, since it is larger than the sum of its proper divisors (151617).

457345423 is a wasteful number, since it uses less digits than its factorization.

457345423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151616.

The product of its digits is 201600, while the sum is 37.

The square root of 457345423 is about 21385.6359035685. The cubic root of 457345423 is about 770.4564803285.

The spelling of 457345423 in words is "four hundred fifty-seven million, three hundred forty-five thousand, four hundred twenty-three".