11723521148 has 12 divisors (see below), whose sum is σ = 20523861792. Its totient is φ = 5859560640.

The previous prime is 11723521133. The next prime is 11723521157. The reversal of 11723521148 is 84112532711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537965 + ... + 559332.

It is an arithmetic number, because the mean of its divisors is an integer number (1710321816).

Almost surely, 2^11723521148 is an apocalyptic number.

It is an amenable number.

11723521148 is a deficient number, since it is larger than the sum of its proper divisors (8800340644).

11723521148 is a wasteful number, since it uses less digits than its factorization.

11723521148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099972 (or 1099970 counting only the distinct ones).

The product of its digits is 13440, while the sum is 35.

The spelling of 11723521148 in words is "eleven billion, seven hundred twenty-three million, five hundred twenty-one thousand, one hundred forty-eight".