53823403 has 4 divisors (see below), whose sum is σ = 54023760. Its totient is φ = 53623048.

The previous prime is 53823397. The next prime is 53823433. The reversal of 53823403 is 30432835.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30432835 = 5 ⋅6086567.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53823403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53823433) 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, 99775 + ... + 100312.

It is an arithmetic number, because the mean of its divisors is an integer number (13505940).

Almost surely, 2^53823403 is an apocalyptic number.

53823403 is a deficient number, since it is larger than the sum of its proper divisors (200357).

53823403 is a wasteful number, since it uses less digits than its factorization.

53823403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200356.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 53823403 is about 7336.4434844140. The cubic root of 53823403 is about 377.5638311430.

The spelling of 53823403 in words is "fifty-three million, eight hundred twenty-three thousand, four hundred three".