23203322320 has 20 divisors (see below), whose sum is σ = 53947724580. Its totient is φ = 9281328896.

The previous prime is 23203322309. The next prime is 23203322341. The reversal of 23203322320 is 2322330232.

It can be written as a sum of positive squares in 2 ways, for example, as 9367916944 + 13835405376 = 96788^2 + 117624^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 23203322291 and 23203322300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145020685 + ... + 145020844.

It is an arithmetic number, because the mean of its divisors is an integer number (2697386229).

Almost surely, 2^23203322320 is an apocalyptic number.

23203322320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23203322320 is an abundant number, since it is smaller than the sum of its proper divisors (30744402260).

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

23203322320 is a wasteful number, since it uses less digits than its factorization.

23203322320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290041542 (or 290041536 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 22.

Adding to 23203322320 its reverse (2322330232), we get a palindrome (25525652552).

The spelling of 23203322320 in words is "twenty-three billion, two hundred three million, three hundred twenty-two thousand, three hundred twenty".