23190860 has 108 divisors (see below), whose sum is σ = 62876016. Its totient is φ = 7032960.

The previous prime is 23190847. The next prime is 23190901. The reversal of 23190860 is 6809132.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 626762 + ... + 626798.

Almost surely, 2^23190860 is an apocalyptic number.

23190860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23190860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31438008).

23190860 is an abundant number, since it is smaller than the sum of its proper divisors (39685156).

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

23190860 is a wasteful number, since it uses less digits than its factorization.

23190860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 23190860 is about 4815.6889434431. The cubic root of 23190860 is about 285.1711703871.

Adding to 23190860 its reverse (6809132), we get a palindrome (29999992).

The spelling of 23190860 in words is "twenty-three million, one hundred ninety thousand, eight hundred sixty".