23205544151 has 4 divisors (see below), whose sum is σ = 24426888600. Its totient is φ = 21984199704.

The previous prime is 23205544147. The next prime is 23205544157. The reversal of 23205544151 is 15144550232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23205544151 - 2² = 23205544147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23205544157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610672196 + ... + 610672233.

It is an arithmetic number, because the mean of its divisors is an integer number (6106722150).

Almost surely, 2^23205544151 is an apocalyptic number.

23205544151 is a deficient number, since it is larger than the sum of its proper divisors (1221344449).

23205544151 is a wasteful number, since it uses less digits than its factorization.

23205544151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221344448.

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 23205544151 in words is "twenty-three billion, two hundred five million, five hundred forty-four thousand, one hundred fifty-one".