23155051101 has 32 divisors (see below), whose sum is σ = 38157127680. Its totient is φ = 12162515904.

The previous prime is 23155051097. The next prime is 23155051109. The reversal of 23155051101 is 10115055132.

It is not a de Polignac number, because 23155051101 - 2² = 23155051097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23155051109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112195 + ... + 242688.

It is an arithmetic number, because the mean of its divisors is an integer number (1192410240).

Almost surely, 2^23155051101 is an apocalyptic number.

23155051101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23155051101 is a deficient number, since it is larger than the sum of its proper divisors (15002076579).

23155051101 is a wasteful number, since it uses less digits than its factorization.

23155051101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355145.

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 23155051101 in words is "twenty-three billion, one hundred fifty-five million, fifty-one thousand, one hundred one".