23145876 has 108 divisors (see below), whose sum is σ = 66984372. Its totient is φ = 6697728.

The previous prime is 23145827. The next prime is 23145883. The reversal of 23145876 is 67854132.

It can be written as a sum of positive squares in 2 ways, for example, as 8122500 + 15023376 = 2850^2 + 3876^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 23145876.

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 35 ways as a sum of consecutive naturals, for example, 168880 + ... + 169016.

Almost surely, 2^23145876 is an apocalyptic number.

23145876 is a gapful number since it is divisible by the number (26) 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 23145876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33492186).

23145876 is an abundant number, since it is smaller than the sum of its proper divisors (43838496).

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

23145876 is a wasteful number, since it uses less digits than its factorization.

23145876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 174 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 23145876 is about 4811.0161088901. The cubic root of 23145876 is about 284.9866660428.

The spelling of 23145876 in words is "twenty-three million, one hundred forty-five thousand, eight hundred seventy-six".