23081450 has 36 divisors (see below), whose sum is σ = 49946022. Its totient is φ = 7912800.

The previous prime is 23081431. The next prime is 23081491. The reversal of 23081450 is 5418032.

23081450 = T₃₈₄ + T₃₈₅ + ... + T₅₇₉.

It can be written as a sum of positive squares in 3 ways, for example, as 15202201 + 7879249 = 3899^2 + 2807^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2261 + ... + 7160.

Almost surely, 2^23081450 is an apocalyptic number.

23081450 is an abundant number, since it is smaller than the sum of its proper divisors (26864572).

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

23081450 is a wasteful number, since it uses less digits than its factorization.

23081450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9447 (or 9435 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 23081450 is about 4804.3157681401. The cubic root of 23081450 is about 284.7220024411.

Adding to 23081450 its reverse (5418032), we get a palindrome (28499482).

The spelling of 23081450 in words is "twenty-three million, eighty-one thousand, four hundred fifty".