23246431561 has 8 divisors (see below), whose sum is σ = 23384764800. Its totient is φ = 23108313888.

The previous prime is 23246431553. The next prime is 23246431573. The reversal of 23246431561 is 16513464232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23246431561 - 2³ = 23246431553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23246431561.

It is not an unprimeable number, because it can be changed into a prime (23246461561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165060 + ... + 271546.

It is an arithmetic number, because the mean of its divisors is an integer number (2923095600).

Almost surely, 2^23246431561 is an apocalyptic number.

It is an amenable number.

23246431561 is a deficient number, since it is larger than the sum of its proper divisors (138333239).

23246431561 is a wasteful number, since it uses less digits than its factorization.

23246431561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107783.

The product of its digits is 103680, while the sum is 37.

Adding to 23246431561 its reverse (16513464232), we get a palindrome (39759895793).

The spelling of 23246431561 in words is "twenty-three billion, two hundred forty-six million, four hundred thirty-one thousand, five hundred sixty-one".