23275665 has 48 divisors (see below), whose sum is σ = 48547200. Its totient is φ = 10077696.

The previous prime is 23275657. The next prime is 23275667. The reversal of 23275665 is 56657232.

It is a happy number.

It is not a de Polignac number, because 23275665 - 2³ = 23275657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23275667) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4041 + ... + 7929.

It is an arithmetic number, because the mean of its divisors is an integer number (1011400).

Almost surely, 2^23275665 is an apocalyptic number.

It is an amenable number.

23275665 is an abundant number, since it is smaller than the sum of its proper divisors (25271535).

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

23275665 is a wasteful number, since it uses less digits than its factorization.

23275665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3926 (or 3923 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 23275665 is about 4824.4859829831. The cubic root of 23275665 is about 285.5183548958.

The spelling of 23275665 in words is "twenty-three million, two hundred seventy-five thousand, six hundred sixty-five".