423313002144 has 72 divisors (see below), whose sum is σ = 1274607914580. Its totient is φ = 132804077568.

The previous prime is 423313002109. The next prime is 423313002169. The reversal of 423313002144 is 441200313324.

423313002144 is a `hidden beast` number, since 4 + 2 + 331 + 300 + 21 + 4 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 380220224400 + 43092777744 = 616620^2 + 207588^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×423313002144² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43225599 + ... + 43235390.

Almost surely, 2^423313002144 is an apocalyptic number.

It is an amenable number.

423313002144 is an abundant number, since it is smaller than the sum of its proper divisors (851294912436).

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

423313002144 is a wasteful number, since it uses less digits than its factorization.

423313002144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86461022 (or 86461011 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 423313002144 its reverse (441200313324), we get a palindrome (864513315468).

The spelling of 423313002144 in words is "four hundred twenty-three billion, three hundred thirteen million, two thousand, one hundred forty-four".