23223402 has 32 divisors (see below), whose sum is σ = 53276160. Its totient is φ = 7490880.

The previous prime is 23223401. The next prime is 23223439. The reversal of 23223402 is 20432232.

23223402 is a `hidden beast` number, since 2 + 322 + 340 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23223401) 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, 5263 + ... + 8610.

It is an arithmetic number, because the mean of its divisors is an integer number (1664880).

Almost surely, 2^23223402 is an apocalyptic number.

23223402 is an abundant number, since it is smaller than the sum of its proper divisors (30052758).

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

23223402 is a wasteful number, since it uses less digits than its factorization.

23223402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13915 (or 13909 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 23223402 is about 4819.0665071153. The cubic root of 23223402 is about 285.3044945063.

Adding to 23223402 its reverse (20432232), we get a palindrome (43655634).

The spelling of 23223402 in words is "twenty-three million, two hundred twenty-three thousand, four hundred two".