23230123442 has 4 divisors (see below), whose sum is σ = 34845185166. Its totient is φ = 11615061720.

The previous prime is 23230123417. The next prime is 23230123529. The reversal of 23230123442 is 24432103232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21658714561 + 1571408881 = 147169^2 + 39641^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5807530859 + ... + 5807530862.

Almost surely, 2^23230123442 is an apocalyptic number.

23230123442 is a deficient number, since it is larger than the sum of its proper divisors (11615061724).

23230123442 is a wasteful number, since it uses less digits than its factorization.

23230123442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11615061723.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 23230123442 its reverse (24432103232), we get a palindrome (47662226674).

The spelling of 23230123442 in words is "twenty-three billion, two hundred thirty million, one hundred twenty-three thousand, four hundred forty-two".