23430404042 has 8 divisors (see below), whose sum is σ = 35296446276. Its totient is φ = 11664921952.

The previous prime is 23430404027. The next prime is 23430404051. The reversal of 23430404042 is 24040403432.

It can be written as a sum of positive squares in 2 ways, for example, as 17495088361 + 5935315681 = 132269^2 + 77041^2 .

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

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, 25139453 + ... + 25140384.

Almost surely, 2^23430404042 is an apocalyptic number.

23430404042 is a deficient number, since it is larger than the sum of its proper divisors (11866042234).

23430404042 is a wasteful number, since it uses less digits than its factorization.

23430404042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50280072.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 23430404042 its reverse (24040403432), we get a palindrome (47470807474).

The spelling of 23430404042 in words is "twenty-three billion, four hundred thirty million, four hundred four thousand, forty-two".