23021126 has 4 divisors (see below), whose sum is σ = 34531692. Its totient is φ = 11510562.

The previous prime is 23021101. The next prime is 23021147. The reversal of 23021126 is 62112032.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5755280 + ... + 5755283.

It is an arithmetic number, because the mean of its divisors is an integer number (8632923).

Almost surely, 2^23021126 is an apocalyptic number.

23021126 is a deficient number, since it is larger than the sum of its proper divisors (11510566).

23021126 is a wasteful number, since it uses less digits than its factorization.

23021126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11510565.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 23021126 is about 4798.0335555308. The cubic root of 23021126 is about 284.4737431278.

Adding to 23021126 its reverse (62112032), we get a palindrome (85133158).

The spelling of 23021126 in words is "twenty-three million, twenty-one thousand, one hundred twenty-six".