23490349369 has 4 divisors (see below), whose sum is σ = 24872134644. Its totient is φ = 22108564096.

The previous prime is 23490349357. The next prime is 23490349373. The reversal of 23490349369 is 96394309432.

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 12214670400 + 11275678969 = 110520^2 + 106187^2 .

It is a cyclic number.

It is not a de Polignac number, because 23490349369 - 2⁷ = 23490349241 is a prime.

It is a super-2 number, since 2×23490349369² (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 (23490349319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690892612 + ... + 690892645.

It is an arithmetic number, because the mean of its divisors is an integer number (6218033661).

Almost surely, 2^23490349369 is an apocalyptic number.

It is an amenable number.

23490349369 is a deficient number, since it is larger than the sum of its proper divisors (1381785275).

23490349369 is a wasteful number, since it uses less digits than its factorization.

23490349369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381785274.

The product of its (nonzero) digits is 3779136, while the sum is 52.

The spelling of 23490349369 in words is "twenty-three billion, four hundred ninety million, three hundred forty-nine thousand, three hundred sixty-nine".