23463447894 has 24 divisors (see below), whose sum is σ = 51408681480. Its totient is φ = 7733270688.

The previous prime is 23463447877. The next prime is 23463447913. The reversal of 23463447894 is 49874436432.

23463447894 is a `hidden beast` number, since 23 + 4 + 63 + 4 + 478 + 94 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 23463447894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7321572 + ... + 7324775.

It is an arithmetic number, because the mean of its divisors is an integer number (2142028395).

Almost surely, 2^23463447894 is an apocalyptic number.

23463447894 is an abundant number, since it is smaller than the sum of its proper divisors (27945233586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23463447894 is a wasteful number, since it uses less digits than its factorization.

23463447894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14646444 (or 14646441 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 54.

The spelling of 23463447894 in words is "twenty-three billion, four hundred sixty-three million, four hundred forty-seven thousand, eight hundred ninety-four".