23333420 has 48 divisors (see below), whose sum is σ = 54286848. Its totient is φ = 8352960.

The previous prime is 23333417. The next prime is 23333423. The reversal of 23333420 is 2433332.

It is an interprime number because it is at equal distance from previous prime (23333417) and next prime (23333423).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 23333392 and 23333401.

It is not an unprimeable number, because it can be changed into a prime (23333423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13949 + ... + 15531.

It is an arithmetic number, because the mean of its divisors is an integer number (1130976).

Almost surely, 2^23333420 is an apocalyptic number.

23333420 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 23333420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27143424).

23333420 is an abundant number, since it is smaller than the sum of its proper divisors (30953428).

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

23333420 is a wasteful number, since it uses less digits than its factorization.

23333420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670 (or 1668 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 23333420 is about 4830.4678862404. The cubic root of 23333420 is about 285.7543165340.

Adding to 23333420 its reverse (2433332), we get a palindrome (25766752).

The spelling of 23333420 in words is "twenty-three million, three hundred thirty-three thousand, four hundred twenty".