423111432320 has 64 divisors (see below), whose sum is σ = 1011797659800. Its totient is φ = 169194897408.

The previous prime is 423111432301. The next prime is 423111432349. The reversal of 423111432320 is 23234111324.

It can be written as a sum of positive squares in 4 ways, for example, as 137451113536 + 285660318784 = 370744^2 + 534472^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 423111432320.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2124872 + ... + 2315448.

Almost surely, 2^423111432320 is an apocalyptic number.

423111432320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423111432320 is an abundant number, since it is smaller than the sum of its proper divisors (588686227480).

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

423111432320 is a wasteful number, since it uses less digits than its factorization.

423111432320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194065 (or 194053 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 423111432320 its reverse (23234111324), we get a palindrome (446345543644).

The spelling of 423111432320 in words is "four hundred twenty-three billion, one hundred eleven million, four hundred thirty-two thousand, three hundred twenty".