23484457278 has 32 divisors (see below), whose sum is σ = 53871160320. Its totient is φ = 7575630840.

The previous prime is 23484457253. The next prime is 23484457351. The reversal of 23484457278 is 87275448432.

23484457278 is a `hidden beast` number, since 23 + 4 + 8 + 44 + 572 + 7 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 7012800 + ... + 7016147.

It is an arithmetic number, because the mean of its divisors is an integer number (1683473760).

Almost surely, 2^23484457278 is an apocalyptic number.

23484457278 is an abundant number, since it is smaller than the sum of its proper divisors (30386703042).

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

23484457278 is a wasteful number, since it uses less digits than its factorization.

23484457278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14028989 (or 14028983 counting only the distinct ones).

The product of its digits is 12042240, while the sum is 54.

The spelling of 23484457278 in words is "twenty-three billion, four hundred eighty-four million, four hundred fifty-seven thousand, two hundred seventy-eight".