423221232130000 has 100 divisors (see below), whose sum is σ = 1029517143157888. Its totient is φ = 168486176880000.

The previous prime is 423221232129991. The next prime is 423221232130009. The reversal of 423221232130000 is 31232122324.

It is an interprime number because it is at equal distance from previous prime (423221232129991) and next prime (423221232130009).

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×423221232130000² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423221232130009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 98179392 + ... + 102399391.

Almost surely, 2^{423221232130000} is an apocalyptic number.

423221232130000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423221232130000 is an abundant number, since it is smaller than the sum of its proper divisors (606295911027888).

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

423221232130000 is a wasteful number, since it uses less digits than its factorization.

423221232130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200579022 (or 200579001 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 423221232130000 its reverse (31232122324), we get a palindrome (423252464252324).

The spelling of 423221232130000 in words is "four hundred twenty-three trillion, two hundred twenty-one billion, two hundred thirty-two million, one hundred thirty thousand".