23620055 has 8 divisors (see below), whose sum is σ = 30011472. Its totient is φ = 17784448.

The previous prime is 23620049. The next prime is 23620061. The reversal of 23620055 is 55002632.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23620049) and next prime (23620061).

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

It is not a de Polignac number, because 23620055 - 2⁴ = 23620039 is a prime.

It is a super-3 number, since 3×23620055³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23620055.

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, 138857 + ... + 139026.

It is an arithmetic number, because the mean of its divisors is an integer number (3751434).

Almost surely, 2^23620055 is an apocalyptic number.

23620055 is a deficient number, since it is larger than the sum of its proper divisors (6391417).

23620055 is a wasteful number, since it uses less digits than its factorization.

23620055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277905.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 23620055 is about 4860.0468104742. The cubic root of 23620055 is about 286.9196560301.

Adding to 23620055 its reverse (55002632), we get a palindrome (78622687).

The spelling of 23620055 in words is "twenty-three million, six hundred twenty thousand, fifty-five".