23781082 has 8 divisors (see below), whose sum is σ = 38415636. Its totient is φ = 10975872.

The previous prime is 23781059. The next prime is 23781091. The reversal of 23781082 is 28018732.

It can be written as a sum of positive squares in 2 ways, for example, as 19704721 + 4076361 = 4439^2 + 2019^2 .

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

It is a super-2 number, since 2×23781082² = 1131079722181448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457303 + ... + 457354.

Almost surely, 2^23781082 is an apocalyptic number.

23781082 is a deficient number, since it is larger than the sum of its proper divisors (14634554).

23781082 is a wasteful number, since it uses less digits than its factorization.

23781082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914672.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 23781082 is about 4876.5850756446. The cubic root of 23781082 is about 287.5701938247.

The spelling of 23781082 in words is "twenty-three million, seven hundred eighty-one thousand, eighty-two".