23373343644 has 48 divisors (see below), whose sum is σ = 62946057216. Its totient is φ = 6611976000.

The previous prime is 23373343621. The next prime is 23373343661. The reversal of 23373343644 is 44634337332.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 23373343596 and 23373343605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1369012 + ... + 1385979.

It is an arithmetic number, because the mean of its divisors is an integer number (1311376192).

Almost surely, 2^23373343644 is an apocalyptic number.

It is an amenable number.

23373343644 is an abundant number, since it is smaller than the sum of its proper divisors (39572713572).

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

23373343644 is a wasteful number, since it uses less digits than its factorization.

23373343644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755106 (or 2755104 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 42.

The spelling of 23373343644 in words is "twenty-three billion, three hundred seventy-three million, three hundred forty-three thousand, six hundred forty-four".