23889955 has 8 divisors (see below), whose sum is σ = 28697904. Its totient is φ = 19092000.

The previous prime is 23889953. The next prime is 23889991. The reversal of 23889955 is 55998832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23889955 - 2¹ = 23889953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23889899 and 23889908.

It is not an unprimeable number, because it can be changed into a prime (23889953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4605 + ... + 8305.

It is an arithmetic number, because the mean of its divisors is an integer number (3587238).

Almost surely, 2^23889955 is an apocalyptic number.

23889955 is a deficient number, since it is larger than the sum of its proper divisors (4807949).

23889955 is a wasteful number, since it uses less digits than its factorization.

23889955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4997.

The product of its digits is 777600, while the sum is 49.

The square root of 23889955 is about 4887.7351605831. The cubic root of 23889955 is about 288.0083708665.

The spelling of 23889955 in words is "twenty-three million, eight hundred eighty-nine thousand, nine hundred fifty-five".