23443303442 has 8 divisors (see below), whose sum is σ = 37869951756. Its totient is φ = 10819986192.

The previous prime is 23443303427. The next prime is 23443303453. The reversal of 23443303442 is 24430334432.

It can be written as a sum of positive squares in 2 ways, for example, as 22395421801 + 1047881641 = 149651^2 + 32371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 23443303399 and 23443303408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450832733 + ... + 450832784.

Almost surely, 2^23443303442 is an apocalyptic number.

23443303442 is a deficient number, since it is larger than the sum of its proper divisors (14426648314).

23443303442 is a wasteful number, since it uses less digits than its factorization.

23443303442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901665532.

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 23443303442 its reverse (24430334432), we get a palindrome (47873637874).

The spelling of 23443303442 in words is "twenty-three billion, four hundred forty-three million, three hundred three thousand, four hundred forty-two".