23000355 has 120 divisors (see below), whose sum is σ = 51313680. Its totient is φ = 9797760.

The previous prime is 23000323. The next prime is 23000377. The reversal of 23000355 is 55300032.

23000355 = T₃₀₅ + T₃₀₆ + ... + T₅₄₉.

It is not a de Polignac number, because 23000355 - 2⁵ = 23000323 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 377025 + ... + 377085.

It is an arithmetic number, because the mean of its divisors is an integer number (427614).

Almost surely, 2^23000355 is an apocalyptic number.

23000355 is an abundant number, since it is smaller than the sum of its proper divisors (28313325).

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

23000355 is a wasteful number, since it uses less digits than its factorization.

23000355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 23000355 is about 4795.8685344784. The cubic root of 23000355 is about 284.3881611266.

Adding to 23000355 its reverse (55300032), we get a palindrome (78300387).

The spelling of 23000355 in words is "twenty-three million, three hundred fifty-five", and thus it is an aban number.