23657675642 has 4 divisors (see below), whose sum is σ = 35486513466. Its totient is φ = 11828837820.

The previous prime is 23657675603. The next prime is 23657675663. The reversal of 23657675642 is 24657675632.

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., 13733730481 + 9923945161 = 117191^2 + 99619^2 .

It is a super-2 number, since 2×23657675642² (a number of 22 digits) contains 22 as substring.

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, 5914418909 + ... + 5914418912.

Almost surely, 2^23657675642 is an apocalyptic number.

23657675642 is a deficient number, since it is larger than the sum of its proper divisors (11828837824).

23657675642 is a wasteful number, since it uses less digits than its factorization.

23657675642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11828837823.

The product of its digits is 12700800, while the sum is 53.

The spelling of 23657675642 in words is "twenty-three billion, six hundred fifty-seven million, six hundred seventy-five thousand, six hundred forty-two".