23064477697 has 4 divisors (see below), whose sum is σ = 23075914756. Its totient is φ = 23053040640.

The previous prime is 23064477613. The next prime is 23064477721. The reversal of 23064477697 is 79677446032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20367856656 + 2696621041 = 142716^2 + 51929^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23064477697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23064477607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5715504 + ... + 5719537.

It is an arithmetic number, because the mean of its divisors is an integer number (5768978689).

It is a Proth number, since it is equal to 5499 ⋅ 2²² + 1 and 5499 < 2²².

Almost surely, 2^23064477697 is an apocalyptic number.

It is an amenable number.

23064477697 is a deficient number, since it is larger than the sum of its proper divisors (11437059).

23064477697 is a wasteful number, since it uses less digits than its factorization.

23064477697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11437058.

The product of its (nonzero) digits is 10668672, while the sum is 55.

The spelling of 23064477697 in words is "twenty-three billion, sixty-four million, four hundred seventy-seven thousand, six hundred ninety-seven".