23463415665 has 64 divisors (see below), whose sum is σ = 42471475200. Its totient is φ = 12288042432.

The previous prime is 23463415663. The next prime is 23463415667. The reversal of 23463415665 is 56651436432.

23463415665 is a `hidden beast` number, since 2 + 3 + 4 + 634 + 1 + 5 + 6 + 6 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (23463415663) and next prime (23463415667).

It is not a de Polignac number, because 23463415665 - 2¹ = 23463415663 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 23463415665.

It is not an unprimeable number, because it can be changed into a prime (23463415663) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1864966 + ... + 1877504.

It is an arithmetic number, because the mean of its divisors is an integer number (663616800).

Almost surely, 2^23463415665 is an apocalyptic number.

It is an amenable number.

23463415665 is a deficient number, since it is larger than the sum of its proper divisors (19008059535).

23463415665 is a wasteful number, since it uses less digits than its factorization.

23463415665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12803 (or 12797 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 45.

The spelling of 23463415665 in words is "twenty-three billion, four hundred sixty-three million, four hundred fifteen thousand, six hundred sixty-five".