23485320861 has 32 divisors (see below), whose sum is σ = 34499527680. Its totient is φ = 14144803200.

The previous prime is 23485320797. The next prime is 23485320869. The reversal of 23485320861 is 16802358432.

It is not a de Polignac number, because 23485320861 - 2⁶ = 23485320797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23485320869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 406881 + ... + 461001.

It is an arithmetic number, because the mean of its divisors is an integer number (1078110240).

Almost surely, 2^23485320861 is an apocalyptic number.

It is an amenable number.

23485320861 is a deficient number, since it is larger than the sum of its proper divisors (11014206819).

23485320861 is a wasteful number, since it uses less digits than its factorization.

23485320861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54497.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 23485320861 in words is "twenty-three billion, four hundred eighty-five million, three hundred twenty thousand, eight hundred sixty-one".