423793853 has 16 divisors (see below), whose sum is σ = 500184960. Its totient is φ = 351521856.

The previous prime is 423793847. The next prime is 423793861. The reversal of 423793853 is 358397324.

It is not a de Polignac number, because 423793853 - 2⁶ = 423793789 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423793823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26351 + ... + 39267.

It is an arithmetic number, because the mean of its divisors is an integer number (31261560).

Almost surely, 2^423793853 is an apocalyptic number.

423793853 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

423793853 is a deficient number, since it is larger than the sum of its proper divisors (76391107).

423793853 is a wasteful number, since it uses less digits than its factorization.

423793853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13076.

The product of its digits is 544320, while the sum is 44.

The square root of 423793853 is about 20586.2539817229. The cubic root of 423793853 is about 751.1353784279.

The spelling of 423793853 in words is "four hundred twenty-three million, seven hundred ninety-three thousand, eight hundred fifty-three".