23651228377 has 4 divisors (see below), whose sum is σ = 27029975296. Its totient is φ = 20272481460.

The previous prime is 23651228369. The next prime is 23651228407. The reversal of 23651228377 is 77382215632.

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 not a de Polignac number, because 23651228377 - 2³ = 23651228369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23651228327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1689373449 + ... + 1689373462.

It is an arithmetic number, because the mean of its divisors is an integer number (6757493824).

Almost surely, 2^23651228377 is an apocalyptic number.

It is an amenable number.

23651228377 is a deficient number, since it is larger than the sum of its proper divisors (3378746919).

23651228377 is an equidigital number, since it uses as much as digits as its factorization.

23651228377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378746918.

The product of its digits is 846720, while the sum is 46.

The spelling of 23651228377 in words is "twenty-three billion, six hundred fifty-one million, two hundred twenty-eight thousand, three hundred seventy-seven".