23261493 has 8 divisors (see below), whose sum is σ = 31853728. Its totient is φ = 15088464.

The previous prime is 23261467. The next prime is 23261521. The reversal of 23261493 is 39416232.

23261493 is nontrivially palindromic in base 14.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23261493 - 2⁶ = 23261429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23261493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23266493) 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, 104671 + ... + 104892.

It is an arithmetic number, because the mean of its divisors is an integer number (3981716).

Almost surely, 2^23261493 is an apocalyptic number.

It is an amenable number.

23261493 is a deficient number, since it is larger than the sum of its proper divisors (8592235).

23261493 is a wasteful number, since it uses less digits than its factorization.

23261493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209603.

The product of its digits is 7776, while the sum is 30.

The square root of 23261493 is about 4823.0170018361. The cubic root of 23261493 is about 285.4603946807.

The spelling of 23261493 in words is "twenty-three million, two hundred sixty-one thousand, four hundred ninety-three".