23215132230 has 32 divisors (see below), whose sum is σ = 56479559904. Its totient is φ = 6105897216.

The previous prime is 23215132183. The next prime is 23215132243. The reversal of 23215132230 is 3223151232.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23215132230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5298069 + ... + 5302448.

It is an arithmetic number, because the mean of its divisors is an integer number (1764986247).

Almost surely, 2^23215132230 is an apocalyptic number.

23215132230 is an abundant number, since it is smaller than the sum of its proper divisors (33264427674).

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

23215132230 is a wasteful number, since it uses less digits than its factorization.

23215132230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10600600.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 23215132230 its reverse (3223151232), we get a palindrome (26438283462).

The spelling of 23215132230 in words is "twenty-three billion, two hundred fifteen million, one hundred thirty-two thousand, two hundred thirty".