23474975511 has 16 divisors (see below), whose sum is σ = 34169410016. Its totient is φ = 14248244736.

The previous prime is 23474975473. The next prime is 23474975543. The reversal of 23474975511 is 11557947432.

It is not a de Polignac number, because 23474975511 - 2¹¹ = 23474973463 is a prime.

It is a super-2 number, since 2×23474975511² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23474971511) 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, 4119910 + ... + 4125603.

It is an arithmetic number, because the mean of its divisors is an integer number (2135588126).

Almost surely, 2^23474975511 is an apocalyptic number.

23474975511 is a deficient number, since it is larger than the sum of its proper divisors (10694434505).

23474975511 is a wasteful number, since it uses less digits than its factorization.

23474975511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8245602.

The product of its digits is 1058400, while the sum is 48.

The spelling of 23474975511 in words is "twenty-three billion, four hundred seventy-four million, nine hundred seventy-five thousand, five hundred eleven".