23011420 has 24 divisors (see below), whose sum is σ = 48780144. Its totient is φ = 9117696.

The previous prime is 23011397. The next prime is 23011427. The reversal of 23011420 is 2411032.

23011420 is nontrivially palindromic in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 23011420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23011427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3237 + ... + 7516.

It is an arithmetic number, because the mean of its divisors is an integer number (2032506).

Almost surely, 2^23011420 is an apocalyptic number.

23011420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23011420 is an abundant number, since it is smaller than the sum of its proper divisors (25768724).

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

23011420 is a wasteful number, since it uses less digits than its factorization.

23011420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10869 (or 10867 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 23011420 is about 4797.0219928618. The cubic root of 23011420 is about 284.4337582565.

Adding to 23011420 its reverse (2411032), we get a palindrome (25422452).

It can be divided in two parts, 2301 and 1420, that added together give a square (3721 = 61²).

The spelling of 23011420 in words is "twenty-three million, eleven thousand, four hundred twenty".