23352290 has 16 divisors (see below), whose sum is σ = 45267768. Its totient is φ = 8622336.

The previous prime is 23352289. The next prime is 23352293. The reversal of 23352290 is 9225332.

It can be written as a sum of positive squares in 4 ways, for example, as 11566801 + 11785489 = 3401^2 + 3433^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (23352293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89687 + ... + 89946.

Almost surely, 2^23352290 is an apocalyptic number.

23352290 is a deficient number, since it is larger than the sum of its proper divisors (21915478).

23352290 is a wasteful number, since it uses less digits than its factorization.

23352290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179653.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 23352290 is about 4832.4207184392. The cubic root of 23352290 is about 285.8313266912.

The spelling of 23352290 in words is "twenty-three million, three hundred fifty-two thousand, two hundred ninety".