23355666697 has 8 divisors (see below), whose sum is σ = 25496534592. Its totient is φ = 21217736400.

The previous prime is 23355666643. The next prime is 23355666701. The reversal of 23355666697 is 79666655332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23355666697 - 2²³ = 23347278089 is a prime.

It is a super-2 number, since 2×23355666697² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23355666497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717754 + ... + 749587.

It is an arithmetic number, because the mean of its divisors is an integer number (3187066824).

Almost surely, 2^23355666697 is an apocalyptic number.

It is an amenable number.

23355666697 is a deficient number, since it is larger than the sum of its proper divisors (2140867895).

23355666697 is a wasteful number, since it uses less digits than its factorization.

23355666697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468799.

The product of its digits is 36741600, while the sum is 58.

The spelling of 23355666697 in words is "twenty-three billion, three hundred fifty-five million, six hundred sixty-six thousand, six hundred ninety-seven".