23143104 has 112 divisors (see below), whose sum is σ = 69494400. Its totient is φ = 7550208.

The previous prime is 23143097. The next prime is 23143111. The reversal of 23143104 is 40134132.

23143104 is a `hidden beast` number, since 231 + 431 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (23143097) and next prime (23143111).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101839 + ... + 102065.

Almost surely, 2^23143104 is an apocalyptic number.

23143104 is a gapful number since it is divisible by the number (24) 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 23143104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34747200).

23143104 is an abundant number, since it is smaller than the sum of its proper divisors (46351296).

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

23143104 is a wasteful number, since it uses less digits than its factorization.

23143104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 23143104 is about 4810.7280114344. The cubic root of 23143104 is about 284.9752887162.

Adding to 23143104 its reverse (40134132), we get a palindrome (63277236).

The spelling of 23143104 in words is "twenty-three million, one hundred forty-three thousand, one hundred four".