23188398755 has 16 divisors (see below), whose sum is σ = 28105159680. Its totient is φ = 18364780128.

The previous prime is 23188398743. The next prime is 23188398757. The reversal of 23188398755 is 55789388132.

It is a cyclic number.

It is not a de Polignac number, because 23188398755 - 2¹² = 23188394659 is a prime.

It is a super-3 number, since 3×23188398755³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23188398694 and 23188398703.

It is not an unprimeable number, because it can be changed into a prime (23188398757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2404874 + ... + 2414496.

It is an arithmetic number, because the mean of its divisors is an integer number (1756572480).

Almost surely, 2^23188398755 is an apocalyptic number.

23188398755 is a deficient number, since it is larger than the sum of its proper divisors (4916760925).

23188398755 is a wasteful number, since it uses less digits than its factorization.

23188398755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14410.

The product of its digits is 14515200, while the sum is 59.

The spelling of 23188398755 in words is "twenty-three billion, one hundred eighty-eight million, three hundred ninety-eight thousand, seven hundred fifty-five".