23601768725661 has 16 divisors (see below), whose sum is σ = 35966584140288. Its totient is φ = 13485980919600.

The previous prime is 23601768725599. The next prime is 23601768725671. The reversal of 23601768725661 is 16652786710632.

It is not a de Polignac number, because 23601768725661 - 2¹¹ = 23601768723613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23601768725595 and 23601768725604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23601768725671) 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, 30612955 + ... + 31374456.

It is an arithmetic number, because the mean of its divisors is an integer number (2247911508768).

Almost surely, 2^{23601768725661} is an apocalyptic number.

23601768725661 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23601768725661 is a deficient number, since it is larger than the sum of its proper divisors (12364815414627).

23601768725661 is a wasteful number, since it uses less digits than its factorization.

23601768725661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62005552.

The product of its (nonzero) digits is 30481920, while the sum is 60.

The spelling of 23601768725661 in words is "twenty-three trillion, six hundred one billion, seven hundred sixty-eight million, seven hundred twenty-five thousand, six hundred sixty-one".