23397746369 has 4 divisors (see below), whose sum is σ = 23404402644. Its totient is φ = 23391090096.

The previous prime is 23397746347. The next prime is 23397746387. The reversal of 23397746369 is 96364779332.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14582977600 + 8814768769 = 120760^2 + 93887^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23397746369 is a prime.

It is a super-2 number, since 2×23397746369² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23307746369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3322862 + ... + 3329895.

It is an arithmetic number, because the mean of its divisors is an integer number (5851100661).

Almost surely, 2^23397746369 is an apocalyptic number.

It is an amenable number.

23397746369 is a deficient number, since it is larger than the sum of its proper divisors (6656275).

23397746369 is an equidigital number, since it uses as much as digits as its factorization.

23397746369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6656274.

The product of its digits is 30862944, while the sum is 59.

The spelling of 23397746369 in words is "twenty-three billion, three hundred ninety-seven million, seven hundred forty-six thousand, three hundred sixty-nine".