23126146 has 4 divisors (see below), whose sum is σ = 34689222. Its totient is φ = 11563072.

The previous prime is 23126143. The next prime is 23126149. The reversal of 23126146 is 64162132.

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

It is an interprime number because it is at equal distance from previous prime (23126143) and next prime (23126149).

It can be written as a sum of positive squares in only one way, i.e., 18395521 + 4730625 = 4289^2 + 2175^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23126146.

It is not an unprimeable number, because it can be changed into a prime (23126143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5781535 + ... + 5781538.

Almost surely, 2^23126146 is an apocalyptic number.

23126146 is the 2571-st centered heptagonal number.

23126146 is a deficient number, since it is larger than the sum of its proper divisors (11563076).

23126146 is a wasteful number, since it uses less digits than its factorization.

23126146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11563075.

The product of its digits is 1728, while the sum is 25.

The square root of 23126146 is about 4808.9651693478. The cubic root of 23126146 is about 284.9056669434.

Adding to 23126146 its reverse (64162132), we get a palindrome (87288278).

The spelling of 23126146 in words is "twenty-three million, one hundred twenty-six thousand, one hundred forty-six".