23391887379198 has 64 divisors (see below), whose sum is σ = 50573816294400. Its totient is φ = 7170180958080.

The previous prime is 23391887379143. The next prime is 23391887379313. The reversal of 23391887379198 is 89197378819332.

It is a happy number.

It is a super-3 number, since 3×23391887379198³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 321638683 + ... + 321711401.

It is an arithmetic number, because the mean of its divisors is an integer number (790215879600).

Almost surely, 2^{23391887379198} is an apocalyptic number.

23391887379198 is an abundant number, since it is smaller than the sum of its proper divisors (27181928915202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23391887379198 is a wasteful number, since it uses less digits than its factorization.

23391887379198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88337.

The product of its digits is 987614208, while the sum is 78.

The spelling of 23391887379198 in words is "twenty-three trillion, three hundred ninety-one billion, eight hundred eighty-seven million, three hundred seventy-nine thousand, one hundred ninety-eight".