23404134142 has 8 divisors (see below), whose sum is σ = 36055017576. Its totient is φ = 11385794952.

The previous prime is 23404134133. The next prime is 23404134157. The reversal of 23404134142 is 24143140432.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23404134142.

It is a congruent number.

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, 158135968 + ... + 158136115.

It is an arithmetic number, because the mean of its divisors is an integer number (4506877197).

Almost surely, 2^23404134142 is an apocalyptic number.

23404134142 is a deficient number, since it is larger than the sum of its proper divisors (12650883434).

23404134142 is a wasteful number, since it uses less digits than its factorization.

23404134142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316272122.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 23404134142 its reverse (24143140432), we get a palindrome (47547274574).

The spelling of 23404134142 in words is "twenty-three billion, four hundred four million, one hundred thirty-four thousand, one hundred forty-two".