23143100 has 18 divisors (see below), whose sum is σ = 50220744. Its totient is φ = 9257200.

The previous prime is 23143097. The next prime is 23143111. The reversal of 23143100 is 134132.

It is a super-2 number, since 2×23143100² = 1071206155220000, which contains 22 as substring.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 115616 + ... + 115815.

Almost surely, 2^23143100 is an apocalyptic number.

23143100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23143100 is an abundant number, since it is smaller than the sum of its proper divisors (27077644).

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

23143100 is a wasteful number, since it uses less digits than its factorization.

23143100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231445 (or 231438 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 23143100 is about 4810.7275956969. The cubic root of 23143100 is about 284.9752722980.

Adding to 23143100 its reverse (134132), we get a palindrome (23277232).

The spelling of 23143100 in words is "twenty-three million, one hundred forty-three thousand, one hundred".