23212026 has 12 divisors (see below), whose sum is σ = 50292762. Its totient is φ = 7737336.

The previous prime is 23212009. The next prime is 23212051. The reversal of 23212026 is 62021232.

It can be written as a sum of positive squares in only one way, i.e., 18481401 + 4730625 = 4299^2 + 2175^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1289557 = 23212026 / (2 + 3 + 2 + 1 + 2 + 0 + 2 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 644761 + ... + 644796.

Almost surely, 2^23212026 is an apocalyptic number.

23212026 is an abundant number, since it is smaller than the sum of its proper divisors (27080736).

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

23212026 is a wasteful number, since it uses less digits than its factorization.

23212026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289565 (or 1289562 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 23212026 is about 4817.8860509564. The cubic root of 23212026 is about 285.2579013610.

Adding to 23212026 its reverse (62021232), we get a palindrome (85233258).

The spelling of 23212026 in words is "twenty-three million, two hundred twelve thousand, twenty-six".