23877855 has 32 divisors (see below), whose sum is σ = 42981120. Its totient is φ = 12575520.

The previous prime is 23877853. The next prime is 23877859. The reversal of 23877855 is 55877832.

It is not a de Polignac number, because 23877855 - 2¹ = 23877853 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 23877855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23877853) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10140 + ... + 12270.

It is an arithmetic number, because the mean of its divisors is an integer number (1343160).

Almost surely, 2^23877855 is an apocalyptic number.

23877855 is a deficient number, since it is larger than the sum of its proper divisors (19103265).

23877855 is a wasteful number, since it uses less digits than its factorization.

23877855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228 (or 2222 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 23877855 is about 4886.4972117049. The cubic root of 23877855 is about 287.9597382954.

The spelling of 23877855 in words is "twenty-three million, eight hundred seventy-seven thousand, eight hundred fifty-five".