23031126 has 12 divisors (see below), whose sum is σ = 49900812. Its totient is φ = 7677036.

The previous prime is 23031121. The next prime is 23031157. The reversal of 23031126 is 62113032.

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: 1279507 = 23031126 / (2 + 3 + 0 + 3 + 1 + 1 + 2 + 6).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23031099 and 23031108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 639736 + ... + 639771.

It is an arithmetic number, because the mean of its divisors is an integer number (4158401).

Almost surely, 2^23031126 is an apocalyptic number.

23031126 is an abundant number, since it is smaller than the sum of its proper divisors (26869686).

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

23031126 is a wasteful number, since it uses less digits than its factorization.

23031126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279515 (or 1279512 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 23031126 is about 4799.0755359757. The cubic root of 23031126 is about 284.5149274097.

Adding to 23031126 its reverse (62113032), we get a palindrome (85144158).

The spelling of 23031126 in words is "twenty-three million, thirty-one thousand, one hundred twenty-six".