23287104 has 42 divisors (see below), whose sum is σ = 66749930. Its totient is φ = 7762176.

The previous prime is 23287079. The next prime is 23287111. The reversal of 23287104 is 40178232.

It can be written as a sum of positive squares in only one way, i.e., 22581504 + 705600 = 4752^2 + 840^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19639 + ... + 20790.

Almost surely, 2^23287104 is an apocalyptic number.

23287104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23287104 is an abundant number, since it is smaller than the sum of its proper divisors (43462826).

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

23287104 is a wasteful number, since it uses less digits than its factorization.

23287104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40447 (or 40434 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 23287104 is about 4825.6713522576. The cubic root of 23287104 is about 285.5651206139.

The spelling of 23287104 in words is "twenty-three million, two hundred eighty-seven thousand, one hundred four".