23162006251 has 4 divisors (see below), whose sum is σ = 23201465112. Its totient is φ = 23122547392.

The previous prime is 23162006249. The next prime is 23162006333. The reversal of 23162006251 is 15260026132.

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

It is a cyclic number.

It is not a de Polignac number, because 23162006251 - 2¹ = 23162006249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23162006851) 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, 19728550 + ... + 19729723.

It is an arithmetic number, because the mean of its divisors is an integer number (5800366278).

Almost surely, 2^23162006251 is an apocalyptic number.

23162006251 is a deficient number, since it is larger than the sum of its proper divisors (39458861).

23162006251 is an equidigital number, since it uses as much as digits as its factorization.

23162006251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39458860.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 23162006251 in words is "twenty-three billion, one hundred sixty-two million, six thousand, two hundred fifty-one".