23430146561 has 16 divisors (see below), whose sum is σ = 24092909568. Its totient is φ = 22776062400.

The previous prime is 23430146527. The next prime is 23430146563. The reversal of 23430146561 is 16564103432.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23430146561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23430146563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6130031 + ... + 6133851.

It is an arithmetic number, because the mean of its divisors is an integer number (1505806848).

Almost surely, 2^23430146561 is an apocalyptic number.

It is an amenable number.

23430146561 is a deficient number, since it is larger than the sum of its proper divisors (662763007).

23430146561 is a wasteful number, since it uses less digits than its factorization.

23430146561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4912.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 23430146561 its reverse (16564103432), we get a palindrome (39994249993).

The spelling of 23430146561 in words is "twenty-three billion, four hundred thirty million, one hundred forty-six thousand, five hundred sixty-one".