23031460 has 24 divisors (see below), whose sum is σ = 48457080. Its totient is φ = 9195264.

The previous prime is 23031409. The next prime is 23031461. The reversal of 23031460 is 6413032.

It can be written as a sum of positive squares in 4 ways, for example, as 3175524 + 19855936 = 1782^2 + 4456^2 .

It is not an unprimeable number, because it can be changed into a prime (23031461) 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, 18126 + ... + 19354.

It is an arithmetic number, because the mean of its divisors is an integer number (2019045).

Almost surely, 2^23031460 is an apocalyptic number.

23031460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23031460 is an abundant number, since it is smaller than the sum of its proper divisors (25425620).

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

23031460 is a wasteful number, since it uses less digits than its factorization.

23031460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175 (or 2173 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 23031460 is about 4799.1103342182. The cubic root of 23031460 is about 284.5163027589.

Adding to 23031460 its reverse (6413032), we get a palindrome (29444492).

The spelling of 23031460 in words is "twenty-three million, thirty-one thousand, four hundred sixty".