423426446323254 has 576 divisors, whose sum is σ = 1086272328960000. Its totient is φ = 118760194206720.

The previous prime is 423426446323219. The next prime is 423426446323267. The reversal of 423426446323254 is 452323644624324.

423426446323254 is a `hidden beast` number, since 4 + 2 + 3 + 4 + 2 + 64 + 4 + 6 + 323 + 254 = 666.

It is a super-2 number, since 2×423426446323254² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 423426446323254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 114161887152 + ... + 114161890860.

It is an arithmetic number, because the mean of its divisors is an integer number (1885889460000).

Almost surely, 2^{423426446323254} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423426446323254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (543136164480000).

423426446323254 is an abundant number, since it is smaller than the sum of its proper divisors (662845882636746).

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

423426446323254 is a wasteful number, since it uses less digits than its factorization.

423426446323254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4209 (or 4195 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 54.

The spelling of 423426446323254 in words is "four hundred twenty-three trillion, four hundred twenty-six billion, four hundred forty-six million, three hundred twenty-three thousand, two hundred fifty-four".