23450146 has 4 divisors (see below), whose sum is σ = 35175222. Its totient is φ = 11725072.

The previous prime is 23450129. The next prime is 23450209. The reversal of 23450146 is 64105432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23415921 + 34225 = 4839^2 + 185^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23450146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5862535 + ... + 5862538.

Almost surely, 2^23450146 is an apocalyptic number.

23450146 is a deficient number, since it is larger than the sum of its proper divisors (11725076).

23450146 is a wasteful number, since it uses less digits than its factorization.

23450146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11725075.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 23450146 is about 4842.5350798936. The cubic root of 23450146 is about 286.2300218064.

Adding to 23450146 its reverse (64105432), we get a palindrome (87555578).

The spelling of 23450146 in words is "twenty-three million, four hundred fifty thousand, one hundred forty-six".