23001550011 has 24 divisors (see below), whose sum is σ = 36255660480. Its totient is φ = 13936182000.

The previous prime is 23001549997. The next prime is 23001550021. The reversal of 23001550011 is 11005510032.

It is not a de Polignac number, because 23001550011 - 2⁵ = 23001549979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23001550021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 317536 + ... + 383186.

It is an arithmetic number, because the mean of its divisors is an integer number (1510652520).

Almost surely, 2^23001550011 is an apocalyptic number.

23001550011 is a deficient number, since it is larger than the sum of its proper divisors (13254110469).

23001550011 is a wasteful number, since it uses less digits than its factorization.

23001550011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69207 (or 69204 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The spelling of 23001550011 in words is "twenty-three billion, one million, five hundred fifty thousand, eleven".