23058421 has 4 divisors (see below), whose sum is σ = 23073100. Its totient is φ = 23043744.

The previous prime is 23058407. The next prime is 23058461. The reversal of 23058421 is 12485032.

23058421 is nontrivially palindromic in base 2.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19018321 + 4040100 = 4361^2 + 2010^2 .

It is a cyclic number.

It is not a de Polignac number, because 23058421 - 2¹³ = 23050229 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23058461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4656 + ... + 8233.

It is an arithmetic number, because the mean of its divisors is an integer number (5768275).

Almost surely, 2^23058421 is an apocalyptic number.

It is an amenable number.

23058421 is a deficient number, since it is larger than the sum of its proper divisors (14679).

23058421 is a wasteful number, since it uses less digits than its factorization.

23058421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14678.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 23058421 is about 4801.9184707781. The cubic root of 23058421 is about 284.6272792635.

The spelling of 23058421 in words is "twenty-three million, fifty-eight thousand, four hundred twenty-one".