4531923 has 16 divisors (see below), whose sum is σ = 7324800. Its totient is φ = 2746440.

The previous prime is 4531903. The next prime is 4531931. The reversal of 4531923 is 3291354.

It is not a de Polignac number, because 4531923 - 2¹⁸ = 4269779 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4531903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7333 + ... + 7926.

It is an arithmetic number, because the mean of its divisors is an integer number (457800).

Almost surely, 2^4531923 is an apocalyptic number.

4531923 is a deficient number, since it is larger than the sum of its proper divisors (2792877).

4531923 is a wasteful number, since it uses less digits than its factorization.

4531923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15279 (or 15273 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 4531923 is about 2128.8313695547. The cubic root of 4531923 is about 165.4858407701.

The spelling of 4531923 in words is "four million, five hundred thirty-one thousand, nine hundred twenty-three".