232130622540 has 48 divisors (see below), whose sum is σ = 650008245600. Its totient is φ = 61897451520.

The previous prime is 232130622523. The next prime is 232130622547. The reversal of 232130622540 is 45226031232.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 232130622498 and 232130622507.

It is not an unprimeable number, because it can be changed into a prime (232130622547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 862620 + ... + 1099260.

It is an arithmetic number, because the mean of its divisors is an integer number (13541838450).

Almost surely, 2^232130622540 is an apocalyptic number.

232130622540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232130622540 is an abundant number, since it is smaller than the sum of its proper divisors (417877623060).

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

232130622540 is a wasteful number, since it uses less digits than its factorization.

232130622540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253002 (or 253000 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 232130622540 its reverse (45226031232), we get a palindrome (277356653772).

The spelling of 232130622540 in words is "two hundred thirty-two billion, one hundred thirty million, six hundred twenty-two thousand, five hundred forty".