23142303434 has 8 divisors (see below), whose sum is σ = 34717223268. Its totient is φ = 11569895680.

The previous prime is 23142303433. The next prime is 23142303479. The reversal of 23142303434 is 43430324132.

It can be written as a sum of positive squares in 2 ways, for example, as 23099440225 + 42863209 = 151985^2 + 6547^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23142303397 and 23142303406.

It is not an unprimeable number, because it can be changed into a prime (23142303433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604817 + ... + 641940.

Almost surely, 2^23142303434 is an apocalyptic number.

23142303434 is a deficient number, since it is larger than the sum of its proper divisors (11574919834).

23142303434 is a wasteful number, since it uses less digits than its factorization.

23142303434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256040.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 23142303434 its reverse (43430324132), we get a palindrome (66572627566).

The spelling of 23142303434 in words is "twenty-three billion, one hundred forty-two million, three hundred three thousand, four hundred thirty-four".