23219320 has 32 divisors (see below), whose sum is σ = 52524000. Its totient is φ = 9237888.

The previous prime is 23219293. The next prime is 23219323. The reversal of 23219320 is 2391232.

It is a junction number, because it is equal to n+sod(n) for n = 23219291 and 23219300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23219323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6502 + ... + 9418.

It is an arithmetic number, because the mean of its divisors is an integer number (1641375).

Almost surely, 2^23219320 is an apocalyptic number.

23219320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23219320 is an abundant number, since it is smaller than the sum of its proper divisors (29304680).

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

23219320 is a wasteful number, since it uses less digits than its factorization.

23219320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3127 (or 3123 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 23219320 is about 4818.6429624947. The cubic root of 23219320 is about 285.2877774438.

The spelling of 23219320 in words is "twenty-three million, two hundred nineteen thousand, three hundred twenty".