23354340 has 48 divisors (see below), whose sum is σ = 66010560. Its totient is φ = 6168960.

The previous prime is 23354339. The next prime is 23354369. The reversal of 23354340 is 4345332.

It is a self number, because there is not a number n which added to its sum of digits gives 23354340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4755 + ... + 8325.

It is an arithmetic number, because the mean of its divisors is an integer number (1375220).

Almost surely, 2^23354340 is an apocalyptic number.

23354340 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 23354340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33005280).

23354340 is an abundant number, since it is smaller than the sum of its proper divisors (42656220).

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

23354340 is a wasteful number, since it uses less digits than its factorization.

23354340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3692 (or 3690 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 23354340 is about 4832.6328227996. The cubic root of 23354340 is about 285.8396904259.

Adding to 23354340 its reverse (4345332), we get a palindrome (27699672).

The spelling of 23354340 in words is "twenty-three million, three hundred fifty-four thousand, three hundred forty".