23120342 has 16 divisors (see below), whose sum is σ = 40286112. Its totient is φ = 9745920.

The previous prime is 23120333. The next prime is 23120347. The reversal of 23120342 is 24302132.

It is a self number, because there is not a number n which added to its sum of digits gives 23120342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23120347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12683 + ... + 14390.

It is an arithmetic number, because the mean of its divisors is an integer number (2517882).

Almost surely, 2^23120342 is an apocalyptic number.

23120342 is a deficient number, since it is larger than the sum of its proper divisors (17165770).

23120342 is a wasteful number, since it uses less digits than its factorization.

23120342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27143.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 23120342 is about 4808.3616752486. The cubic root of 23120342 is about 284.8818305629.

Adding to 23120342 its reverse (24302132), we get a palindrome (47422474).

The spelling of 23120342 in words is "twenty-three million, one hundred twenty thousand, three hundred forty-two".