23391871346 has 4 divisors (see below), whose sum is σ = 35087807022. Its totient is φ = 11695935672.

The previous prime is 23391871333. The next prime is 23391871379. The reversal of 23391871346 is 64317819332.

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

It can be written as a sum of positive squares in only one way, i.e., 21601650625 + 1790220721 = 146975^2 + 42311^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23391871346.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5847967835 + ... + 5847967838.

Almost surely, 2^23391871346 is an apocalyptic number.

23391871346 is a deficient number, since it is larger than the sum of its proper divisors (11695935676).

23391871346 is a wasteful number, since it uses less digits than its factorization.

23391871346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11695935675.

The product of its digits is 653184, while the sum is 47.

The spelling of 23391871346 in words is "twenty-three billion, three hundred ninety-one million, eight hundred seventy-one thousand, three hundred forty-six".