454903523 has 4 divisors (see below), whose sum is σ = 455249208. Its totient is φ = 454557840.

The previous prime is 454903513. The next prime is 454903531. The reversal of 454903523 is 325309454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325309454 = 2 ⋅162654727.

It is a cyclic number.

It is not a de Polignac number, because 454903523 - 2⁴ = 454903507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454903513) 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, 170861 + ... + 173502.

It is an arithmetic number, because the mean of its divisors is an integer number (113812302).

Almost surely, 2^454903523 is an apocalyptic number.

454903523 is a deficient number, since it is larger than the sum of its proper divisors (345685).

454903523 is a wasteful number, since it uses less digits than its factorization.

454903523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345684.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 454903523 is about 21328.4674320496. The cubic root of 454903523 is about 769.0828023165.

The spelling of 454903523 in words is "four hundred fifty-four million, nine hundred three thousand, five hundred twenty-three".