23151122 has 16 divisors (see below), whose sum is σ = 35872152. Its totient is φ = 11197440.

The previous prime is 23151109. The next prime is 23151181. The reversal of 23151122 is 22115132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22572001 + 579121 = 4751^2 + 761^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23151122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13472 + ... + 15092.

Almost surely, 2^23151122 is an apocalyptic number.

23151122 is a deficient number, since it is larger than the sum of its proper divisors (12721030).

23151122 is a wasteful number, since it uses less digits than its factorization.

23151122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853.

The product of its digits is 120, while the sum is 17.

The square root of 23151122 is about 4811.5612850716. The cubic root of 23151122 is about 285.0081951065.

Adding to 23151122 its reverse (22115132), we get a palindrome (45266254).

The spelling of 23151122 in words is "twenty-three million, one hundred fifty-one thousand, one hundred twenty-two".