23442402242 has 32 divisors (see below), whose sum is σ = 42039907200. Its totient is φ = 9591297408.

The previous prime is 23442402241. The next prime is 23442402287. The reversal of 23442402242 is 24220424432.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (23442402241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288248 + ... + 360515.

It is an arithmetic number, because the mean of its divisors is an integer number (1313747100).

Almost surely, 2^23442402242 is an apocalyptic number.

23442402242 is a deficient number, since it is larger than the sum of its proper divisors (18597504958).

23442402242 is a wasteful number, since it uses less digits than its factorization.

23442402242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648890.

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 23442402242 its reverse (24220424432), we get a palindrome (47662826674).

The spelling of 23442402242 in words is "twenty-three billion, four hundred forty-two million, four hundred two thousand, two hundred forty-two".