423425155450050 has 144 divisors (see below), whose sum is σ = 1225612046386728. Its totient is φ = 104185028275200.

The previous prime is 423425155450009. The next prime is 423425155450069. The reversal of 423425155450050 is 50054551524324.

423425155450050 is a `hidden beast` number, since 4 + 2 + 3 + 4 + 2 + 51 + 5 + 545 + 0 + 0 + 50 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 10960860296961 + 412464295153089 = 3310719^2 + 20309217^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 423425155449978 and 423425155450005.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 546117 + ... + 29105816.

Almost surely, 2^{423425155450050} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423425155450050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612806023193364).

423425155450050 is an abundant number, since it is smaller than the sum of its proper divisors (802186890936678).

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

423425155450050 is a wasteful number, since it uses less digits than its factorization.

423425155450050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29654405 (or 29654397 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 45.

The spelling of 423425155450050 in words is "four hundred twenty-three trillion, four hundred twenty-five billion, one hundred fifty-five million, four hundred fifty thousand, fifty".