23210481 has 8 divisors (see below), whose sum is σ = 35368384. Its totient is φ = 13263120.

The previous prime is 23210479. The next prime is 23210489. The reversal of 23210481 is 18401232.

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

It is not a de Polignac number, because 23210481 - 2¹ = 23210479 is a prime.

It is a super-2 number, since 2×23210481² = 1077452856502722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1105261 = 23210481 / (2 + 3 + 2 + 1 + 0 + 4 + 8 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23210489) 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, 552610 + ... + 552651.

It is an arithmetic number, because the mean of its divisors is an integer number (4421048).

Almost surely, 2^23210481 is an apocalyptic number.

23210481 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23210481 is a deficient number, since it is larger than the sum of its proper divisors (12157903).

23210481 is a wasteful number, since it uses less digits than its factorization.

23210481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105271.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 23210481 is about 4817.7257082570. The cubic root of 23210481 is about 285.2515722677.

Subtracting from 23210481 its reverse (18401232), we obtain a square (4809249 = 2193²).

The spelling of 23210481 in words is "twenty-three million, two hundred ten thousand, four hundred eighty-one".