23274618991 has 48 divisors (see below), whose sum is σ = 26861518848. Its totient is φ = 20126620800.

The previous prime is 23274618979. The next prime is 23274619007. The reversal of 23274618991 is 19981647232.

It is not a de Polignac number, because 23274618991 - 2⁵ = 23274618959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23274618391) 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 47 ways as a sum of consecutive naturals, for example, 21411250 + ... + 21412336.

It is an arithmetic number, because the mean of its divisors is an integer number (559614976).

Almost surely, 2^23274618991 is an apocalyptic number.

23274618991 is a deficient number, since it is larger than the sum of its proper divisors (3586899857).

23274618991 is a wasteful number, since it uses less digits than its factorization.

23274618991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272 (or 1259 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 52.

The spelling of 23274618991 in words is "twenty-three billion, two hundred seventy-four million, six hundred eighteen thousand, nine hundred ninety-one".