23061065 has 32 divisors (see below), whose sum is σ = 30433536. Its totient is φ = 16727040.

The previous prime is 23061053. The next prime is 23061091. The reversal of 23061065 is 56016032.

23061065 = T₁₅₇ + T₁₅₈ + ... + T₅₂₁.

It is not a de Polignac number, because 23061065 - 2⁸ = 23060809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 23061065.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 315869 + ... + 315941.

It is an arithmetic number, because the mean of its divisors is an integer number (951048).

Almost surely, 2^23061065 is an apocalyptic number.

It is an amenable number.

23061065 is a deficient number, since it is larger than the sum of its proper divisors (7372471).

23061065 is a wasteful number, since it uses less digits than its factorization.

23061065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 23061065 is about 4802.1937695183. The cubic root of 23061065 is about 284.6381578021.

Adding to 23061065 its reverse (56016032), we get a palindrome (79077097).

The spelling of 23061065 in words is "twenty-three million, sixty-one thousand, sixty-five".