11343420 has 144 divisors (see below), whose sum is σ = 39862368. Its totient is φ = 2580480.

The previous prime is 11343401. The next prime is 11343469. The reversal of 11343420 is 2434311.

11343420 = T₂₇₇ + T₂₇₈ + ... + T₄₄₆.

11343420 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11343393 and 11343402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33492 + ... + 33828.

It is an arithmetic number, because the mean of its divisors is an integer number (276822).

Almost surely, 2^11343420 is an apocalyptic number.

11343420 is a gapful number since it is divisible by the number (10) 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 11343420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19931184).

11343420 is an abundant number, since it is smaller than the sum of its proper divisors (28518948).

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

11343420 is a wasteful number, since it uses less digits than its factorization.

11343420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 11343420 is about 3367.9994061757. Note that the first 3 decimals coincide. The cubic root of 11343420 is about 224.6887548346.

Adding to 11343420 its reverse (2434311), we get a palindrome (13777731).

It can be divided in two parts, 1134 and 3420, that added together give a palindrome (4554).

The spelling of 11343420 in words is "eleven million, three hundred forty-three thousand, four hundred twenty".