423952904340 has 768 divisors, whose sum is σ = 1615586918400. Its totient is φ = 90251366400.

The previous prime is 423952904327. The next prime is 423952904341. The reversal of 423952904340 is 43409259324.

423952904340 is a `hidden beast` number, since 42 + 3 + 9 + 529 + 0 + 43 + 40 = 666.

423952904340 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423952904341) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 379545462 + ... + 379546578.

It is an arithmetic number, because the mean of its divisors is an integer number (2103628800).

Almost surely, 2^423952904340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423952904340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (807793459200).

423952904340 is an abundant number, since it is smaller than the sum of its proper divisors (1191634014060).

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

423952904340 is a wasteful number, since it uses less digits than its factorization.

423952904340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293 (or 1285 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 423952904340 in words is "four hundred twenty-three billion, nine hundred fifty-two million, nine hundred four thousand, three hundred forty".