23011442 has 12 divisors (see below), whose sum is σ = 35751066. Its totient is φ = 11108160.

The previous prime is 23011427. The next prime is 23011459. The reversal of 23011442 is 24411032.

It can be written as a sum of positive squares in 3 ways, for example, as 22762441 + 249001 = 4771^2 + 499^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23011442.

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, 5159 + ... + 8522.

Almost surely, 2^23011442 is an apocalyptic number.

23011442 is a deficient number, since it is larger than the sum of its proper divisors (12739624).

23011442 is a wasteful number, since it uses less digits than its factorization.

23011442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13741 (or 13712 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 23011442 is about 4797.0242859506. The cubic root of 23011442 is about 284.4338489005.

Adding to 23011442 its reverse (24411032), we get a palindrome (47422474).

The spelling of 23011442 in words is "twenty-three million, eleven thousand, four hundred forty-two".