23553955 has 16 divisors (see below), whose sum is σ = 30449664. Its totient is φ = 17439840.

The previous prime is 23553953. The next prime is 23553973. The reversal of 23553955 is 55935532.

It is a happy number.

It is not a de Polignac number, because 23553955 - 2¹ = 23553953 is a prime.

It is a super-2 number, since 2×23553955² = 1109577592284050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23553953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262 + ... + 6868.

It is an arithmetic number, because the mean of its divisors is an integer number (1903104).

Almost surely, 2^23553955 is an apocalyptic number.

23553955 is a deficient number, since it is larger than the sum of its proper divisors (6895709).

23553955 is a wasteful number, since it uses less digits than its factorization.

23553955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6666.

The product of its digits is 101250, while the sum is 37.

The square root of 23553955 is about 4853.2417001423. The cubic root of 23553955 is about 286.6517606876.

The spelling of 23553955 in words is "twenty-three million, five hundred fifty-three thousand, nine hundred fifty-five".