23447345272454 has 32 divisors (see below), whose sum is σ = 38564461350720. Its totient is φ = 10642381130752.

The previous prime is 23447345272453. The next prime is 23447345272487. The reversal of 23447345272454 is 45427254374432.

It is a self number, because there is not a number n which added to its sum of digits gives 23447345272454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23447345272451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11536874 + ... + 13416189.

It is an arithmetic number, because the mean of its divisors is an integer number (1205139417210).

Almost surely, 2^{23447345272454} is an apocalyptic number.

23447345272454 is a deficient number, since it is larger than the sum of its proper divisors (15117116078266).

23447345272454 is a wasteful number, since it uses less digits than its factorization.

23447345272454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24954064.

The product of its digits is 90316800, while the sum is 56.

The spelling of 23447345272454 in words is "twenty-three trillion, four hundred forty-seven billion, three hundred forty-five million, two hundred seventy-two thousand, four hundred fifty-four".