23440310442 has 16 divisors (see below), whose sum is σ = 52089578880. Its totient is φ = 7813436796.

The previous prime is 23440310417. The next prime is 23440310539. The reversal of 23440310442 is 24401304432.

It is a happy number.

23440310442 is a `hidden beast` number, since 2 + 344 + 0 + 310 + 4 + 4 + 2 = 666.

23440310442 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 217039858 + ... + 217039965.

It is an arithmetic number, because the mean of its divisors is an integer number (3255598680).

Almost surely, 2^23440310442 is an apocalyptic number.

23440310442 is an abundant number, since it is smaller than the sum of its proper divisors (28649268438).

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

23440310442 is a wasteful number, since it uses less digits than its factorization.

23440310442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434079834 (or 434079828 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 23440310442 its reverse (24401304432), we get a palindrome (47841614874).

The spelling of 23440310442 in words is "twenty-three billion, four hundred forty million, three hundred ten thousand, four hundred forty-two".