23151300 has 36 divisors (see below), whose sum is σ = 66985296. Its totient is φ = 6173600.

The previous prime is 23151299. The next prime is 23151311. The reversal of 23151300 is 315132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23151300.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38286 + ... + 38885.

Almost surely, 2^23151300 is an apocalyptic number.

23151300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23151300 is an abundant number, since it is smaller than the sum of its proper divisors (43833996).

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

23151300 is a wasteful number, since it uses less digits than its factorization.

23151300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77188 (or 77181 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 23151300 is about 4811.5797821506. The cubic root of 23151300 is about 285.0089255438.

Adding to 23151300 its reverse (315132), we get a palindrome (23466432).

The spelling of 23151300 in words is "twenty-three million, one hundred fifty-one thousand, three hundred".