23671265042 has 4 divisors (see below), whose sum is σ = 35506897566. Its totient is φ = 11835632520.

The previous prime is 23671265027. The next prime is 23671265081. The reversal of 23671265042 is 24056217632.

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., 18553436521 + 5117828521 = 136211^2 + 71539^2 .

It is a super-2 number, since 2×23671265042² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23671264987 and 23671265005.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5917816259 + ... + 5917816262.

Almost surely, 2^23671265042 is an apocalyptic number.

23671265042 is a deficient number, since it is larger than the sum of its proper divisors (11835632524).

23671265042 is a wasteful number, since it uses less digits than its factorization.

23671265042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11835632523.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 23671265042 in words is "twenty-three billion, six hundred seventy-one million, two hundred sixty-five thousand, forty-two".