423040133430 has 64 divisors (see below), whose sum is σ = 1149392099520. Its totient is φ = 110682194688.

The previous prime is 423040133429. The next prime is 423040133431. The reversal of 423040133430 is 34331040324.

423040133430 is a `hidden beast` number, since 4 + 2 + 304 + 0 + 13 + 343 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (423040133429) and next prime (423040133431).

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 = 423040133394 and 423040133403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423040133431) 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, 14766967 + ... + 14795586.

It is an arithmetic number, because the mean of its divisors is an integer number (17959251555).

Almost surely, 2^423040133430 is an apocalyptic number.

423040133430 is an abundant number, since it is smaller than the sum of its proper divisors (726351966090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423040133430 is a wasteful number, since it uses less digits than its factorization.

423040133430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29562622 (or 29562616 counting only the distinct ones).

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

Adding to 423040133430 its reverse (34331040324), we get a palindrome (457371173754).

The spelling of 423040133430 in words is "four hundred twenty-three billion, forty million, one hundred thirty-three thousand, four hundred thirty".