23355146161 has 4 divisors (see below), whose sum is σ = 24584364400. Its totient is φ = 22125927924.

The previous prime is 23355146147. The next prime is 23355146167. The reversal of 23355146161 is 16164155332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23355146161 is a prime.

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 23355146161.

It is not an unprimeable number, because it can be changed into a prime (23355146167) 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, 614609091 + ... + 614609128.

It is an arithmetic number, because the mean of its divisors is an integer number (6146091100).

Almost surely, 2^23355146161 is an apocalyptic number.

It is an amenable number.

23355146161 is a deficient number, since it is larger than the sum of its proper divisors (1229218239).

23355146161 is a wasteful number, since it uses less digits than its factorization.

23355146161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229218238.

The product of its digits is 64800, while the sum is 37.

The spelling of 23355146161 in words is "twenty-three billion, three hundred fifty-five million, one hundred forty-six thousand, one hundred sixty-one".