23115442 has 16 divisors (see below), whose sum is σ = 39830400. Its totient is φ = 9855648.

The previous prime is 23115409. The next prime is 23115451. The reversal of 23115442 is 24451132.

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, 1363 + ... + 6934.

It is an arithmetic number, because the mean of its divisors is an integer number (2489400).

Almost surely, 2^23115442 is an apocalyptic number.

23115442 is a deficient number, since it is larger than the sum of its proper divisors (16714958).

23115442 is a wasteful number, since it uses less digits than its factorization.

23115442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8505.

The product of its digits is 960, while the sum is 22.

The square root of 23115442 is about 4807.8521191900. The cubic root of 23115442 is about 284.8617037038.

Adding to 23115442 its reverse (24451132), we get a palindrome (47566574).

The spelling of 23115442 in words is "twenty-three million, one hundred fifteen thousand, four hundred forty-two".