23897454611 has 16 divisors (see below), whose sum is σ = 26449274400. Its totient is φ = 21500640000.

The previous prime is 23897454589. The next prime is 23897454619. The reversal of 23897454611 is 11645479832.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23897454611 - 2⁶ = 23897454547 is a prime.

It is a super-2 number, since 2×23897454611² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23897454611.

It is not an unprimeable number, because it can be changed into a prime (23897454619) 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, 321890 + ... + 389111.

It is an arithmetic number, because the mean of its divisors is an integer number (1653079650).

Almost surely, 2^23897454611 is an apocalyptic number.

23897454611 is a deficient number, since it is larger than the sum of its proper divisors (2551819789).

23897454611 is a wasteful number, since it uses less digits than its factorization.

23897454611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711110.

The product of its digits is 1451520, while the sum is 50.

The spelling of 23897454611 in words is "twenty-three billion, eight hundred ninety-seven million, four hundred fifty-four thousand, six hundred eleven".