23379327409 has 9 divisors (see below), whose sum is σ = 23616394347. Its totient is φ = 23144621304.

The previous prime is 23379327287. The next prime is 23379327437. The reversal of 23379327409 is 90472397332.

The square root of 23379327409 is 152903.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1575851809 + 21803475600 = 39697^2 + 147660^2 .

It is not a de Polignac number, because 23379327409 - 2⁹ = 23379326897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23379327449) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16359907 + ... + 16361335.

Almost surely, 2^23379327409 is an apocalyptic number.

23379327409 is the 152903-rd square number.

23379327409 is the 76452-nd centered octagonal number.

It is an amenable number.

23379327409 is a deficient number, since it is larger than the sum of its proper divisors (237066938).

23379327409 is an frugal number, since it uses more digits than its factorization.

23379327409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072 (or 1536 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 49.

Multiplying 23379327409 by its sum of digits (49), we get a square (1145587043041 = 1070321²).

The spelling of 23379327409 in words is "twenty-three billion, three hundred seventy-nine million, three hundred twenty-seven thousand, four hundred nine".