23191225345 has 8 divisors (see below), whose sum is σ = 27830736576. Its totient is φ = 18552136176.

The previous prime is 23191225339. The next prime is 23191225349. The reversal of 23191225345 is 54352219132.

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 23191225345 - 2⁵ = 23191225313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23191225349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31564 + ... + 217666.

It is an arithmetic number, because the mean of its divisors is an integer number (3478842072).

Almost surely, 2^23191225345 is an apocalyptic number.

It is an amenable number.

23191225345 is a deficient number, since it is larger than the sum of its proper divisors (4639511231).

23191225345 is a wasteful number, since it uses less digits than its factorization.

23191225345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211031.

The product of its digits is 64800, while the sum is 37.

It can be divided in two parts, 2319 and 1225345, that added together give a square (1227664 = 1108²).

The spelling of 23191225345 in words is "twenty-three billion, one hundred ninety-one million, two hundred twenty-five thousand, three hundred forty-five".