23454420 has 48 divisors (see below), whose sum is σ = 71644608. Its totient is φ = 5685760.

The previous prime is 23454401. The next prime is 23454427. The reversal of 23454420 is 2445432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23454427) by changing a digit.

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, 17109 + ... + 18428.

It is an arithmetic number, because the mean of its divisors is an integer number (1492596).

Almost surely, 2^23454420 is an apocalyptic number.

23454420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23454420 is an abundant number, since it is smaller than the sum of its proper divisors (48190188).

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

23454420 is a wasteful number, since it uses less digits than its factorization.

23454420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35560 (or 35558 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 23454420 is about 4842.9763575719. The cubic root of 23454420 is about 286.2474100819.

Adding to 23454420 its reverse (2445432), we get a palindrome (25899852).

The spelling of 23454420 in words is "twenty-three million, four hundred fifty-four thousand, four hundred twenty".