23421054 has 16 divisors (see below), whose sum is σ = 47502720. Its totient is φ = 7696920.

The previous prime is 23421049. The next prime is 23421059. The reversal of 23421054 is 45012432.

It is an interprime number because it is at equal distance from previous prime (23421049) and next prime (23421059).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23421054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23421059) 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 7 ways as a sum of consecutive naturals, for example, 27064 + ... + 27915.

It is an arithmetic number, because the mean of its divisors is an integer number (2968920).

Almost surely, 2^23421054 is an apocalyptic number.

23421054 is an abundant number, since it is smaller than the sum of its proper divisors (24081666).

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

23421054 is a wasteful number, since it uses less digits than its factorization.

23421054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55055.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 23421054 is about 4839.5303491145. The cubic root of 23421054 is about 286.1116081920. Note that the first 3 decimals are identical.

Adding to 23421054 its reverse (45012432), we get a palindrome (68433486).

The spelling of 23421054 in words is "twenty-three million, four hundred twenty-one thousand, fifty-four".