423404253450 has 72 divisors (see below), whose sum is σ = 1137703084128. Its totient is φ = 112892219040.

The previous prime is 423404253443. The next prime is 423404253457. The reversal of 423404253450 is 54352404324.

423404253450 is a `hidden beast` number, since 4 + 2 + 34 + 0 + 42 + 534 + 50 = 666.

It is an interprime number because it is at equal distance from previous prime (423404253443) and next prime (423404253457).

It is not an unprimeable number, because it can be changed into a prime (423404253457) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3405277 + ... + 3527423.

It is an arithmetic number, because the mean of its divisors is an integer number (15801431724).

Almost surely, 2^423404253450 is an apocalyptic number.

423404253450 is an abundant number, since it is smaller than the sum of its proper divisors (714298830678).

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

423404253450 is a wasteful number, since it uses less digits than its factorization.

423404253450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129868 (or 129860 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

Adding to 423404253450 its reverse (54352404324), we get a palindrome (477756657774).

The spelling of 423404253450 in words is "four hundred twenty-three billion, four hundred four million, two hundred fifty-three thousand, four hundred fifty".