23196420 has 144 divisors (see below), whose sum is σ = 79252992. Its totient is φ = 5448960.

The previous prime is 23196413. The next prime is 23196421. The reversal of 23196420 is 2469132.

23196420 is a `hidden beast` number, since 2 + 3 + 19 + 642 + 0 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (23196421) 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 47 ways as a sum of consecutive naturals, for example, 53605 + ... + 54035.

It is an arithmetic number, because the mean of its divisors is an integer number (550368).

Almost surely, 2^23196420 is an apocalyptic number.

23196420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23196420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39626496).

23196420 is an abundant number, since it is smaller than the sum of its proper divisors (56056572).

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

23196420 is a wasteful number, since it uses less digits than its factorization.

23196420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 23196420 is about 4816.2661886569. The cubic root of 23196420 is about 285.1939584598.

The spelling of 23196420 in words is "twenty-three million, one hundred ninety-six thousand, four hundred twenty".