23200155197 has 8 divisors (see below), whose sum is σ = 23283866880. Its totient is φ = 23116579920.

The previous prime is 23200155169. The next prime is 23200155227. The reversal of 23200155197 is 79155100232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23200155197 - 2⁶ = 23200155133 is a prime.

It is a super-2 number, since 2×23200155197² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23200155137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313004 + ... + 379962.

It is an arithmetic number, because the mean of its divisors is an integer number (2910483360).

Almost surely, 2^23200155197 is an apocalyptic number.

It is an amenable number.

23200155197 is a deficient number, since it is larger than the sum of its proper divisors (83711683).

23200155197 is an equidigital number, since it uses as much as digits as its factorization.

23200155197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68203.

The product of its (nonzero) digits is 18900, while the sum is 35.

The spelling of 23200155197 in words is "twenty-three billion, two hundred million, one hundred fifty-five thousand, one hundred ninety-seven".