23090346 has 32 divisors (see below), whose sum is σ = 51955200. Its totient is φ = 7695324.

The previous prime is 23090341. The next prime is 23090371. The reversal of 23090346 is 64309032.

23090346 is a `hidden beast` number, since 230 + 90 + 346 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23090341) 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, 1735 + ... + 7013.

It is an arithmetic number, because the mean of its divisors is an integer number (1623600).

Almost surely, 2^23090346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23090346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25977600).

23090346 is an abundant number, since it is smaller than the sum of its proper divisors (28864854).

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

23090346 is an frugal number, since it uses more digits than its factorization.

23090346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5302 (or 5284 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 23090346 is about 4805.2415131812. The cubic root of 23090346 is about 284.7585767117.

Adding to 23090346 its reverse (64309032), we get a palindrome (87399378).

It can be divided in two parts, 23090 and 346, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 23090346 in words is "twenty-three million, ninety thousand, three hundred forty-six".