23003212320 has 144 divisors (see below), whose sum is σ = 85634744832. Its totient is φ = 5576532480.

The previous prime is 23003212259. The next prime is 23003212333. The reversal of 23003212320 is 2321230032.

It is a happy number.

23003212320 is a `hidden beast` number, since 2 + 300 + 32 + 12 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23003212293 and 23003212302.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 710272 + ... + 741951.

It is an arithmetic number, because the mean of its divisors is an integer number (594685728).

Almost surely, 2^23003212320 is an apocalyptic number.

23003212320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23003212320 is an abundant number, since it is smaller than the sum of its proper divisors (62631532512).

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

23003212320 is a wasteful number, since it uses less digits than its factorization.

23003212320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452255 (or 1452244 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23003212320 its reverse (2321230032), we get a palindrome (25324442352).

The spelling of 23003212320 in words is "twenty-three billion, three million, two hundred twelve thousand, three hundred twenty".