23461147591 has 16 divisors (see below), whose sum is σ = 27389721600. Its totient is φ = 19677022560.

The previous prime is 23461147583. The next prime is 23461147601. The reversal of 23461147591 is 19574116432.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23461147591 - 2³ = 23461147583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23461148591) 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, 2610736 + ... + 2619706.

It is an arithmetic number, because the mean of its divisors is an integer number (1711857600).

Almost surely, 2^23461147591 is an apocalyptic number.

23461147591 is a deficient number, since it is larger than the sum of its proper divisors (3928574009).

23461147591 is an equidigital number, since it uses as much as digits as its factorization.

23461147591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16974.

The product of its digits is 181440, while the sum is 43.

The spelling of 23461147591 in words is "twenty-three billion, four hundred sixty-one million, one hundred forty-seven thousand, five hundred ninety-one".