23497287646 has 32 divisors (see below), whose sum is σ = 42084085248. Its totient is φ = 9620587680.

The previous prime is 23497287587. The next prime is 23497287661. The reversal of 23497287646 is 64678279432.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 219921 + ... + 308803.

It is an arithmetic number, because the mean of its divisors is an integer number (1315127664).

Almost surely, 2^23497287646 is an apocalyptic number.

23497287646 is a deficient number, since it is larger than the sum of its proper divisors (18586797602).

23497287646 is a wasteful number, since it uses less digits than its factorization.

23497287646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89736.

The product of its digits is 24385536, while the sum is 58.

The spelling of 23497287646 in words is "twenty-three billion, four hundred ninety-seven million, two hundred eighty-seven thousand, six hundred forty-six".