423202043331 has 32 divisors (see below), whose sum is σ = 681788162880. Its totient is φ = 258361809408.

The previous prime is 423202043323. The next prime is 423202043347. The reversal of 423202043331 is 133340202324.

423202043331 is a `hidden beast` number, since 4 + 2 + 320 + 2 + 0 + 4 + 3 + 331 = 666.

It is not a de Polignac number, because 423202043331 - 2³ = 423202043323 is a prime.

It is a super-2 number, since 2×423202043331² (a number of 24 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 423202043295 and 423202043304.

It is not an unprimeable number, because it can be changed into a prime (423202043321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12442596 + ... + 12476561.

It is an arithmetic number, because the mean of its divisors is an integer number (21305880090).

Almost surely, 2^423202043331 is an apocalyptic number.

423202043331 is a deficient number, since it is larger than the sum of its proper divisors (258586119549).

423202043331 is a wasteful number, since it uses less digits than its factorization.

423202043331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24919220 (or 24919214 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 423202043331 its reverse (133340202324), we get a palindrome (556542245655).

The spelling of 423202043331 in words is "four hundred twenty-three billion, two hundred two million, forty-three thousand, three hundred thirty-one".