23855502 has 16 divisors (see below), whose sum is σ = 52048512. Its totient is φ = 7228920.

The previous prime is 23855483. The next prime is 23855519. The reversal of 23855502 is 20555832.

It is a self number, because there is not a number n which added to its sum of digits gives 23855502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180658 + ... + 180789.

It is an arithmetic number, because the mean of its divisors is an integer number (3253032).

Almost surely, 2^23855502 is an apocalyptic number.

23855502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23855502 is an abundant number, since it is smaller than the sum of its proper divisors (28193010).

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

23855502 is a wasteful number, since it uses less digits than its factorization.

23855502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361463.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 23855502 is about 4884.2094549681. The cubic root of 23855502 is about 287.8698534258.

It can be divided in two parts, 2385 and 5502, that added together give a palindrome (7887).

The spelling of 23855502 in words is "twenty-three million, eight hundred fifty-five thousand, five hundred two".