23261520556101 has 16 divisors (see below), whose sum is σ = 31094403293120. Its totient is φ = 15468166926720.

The previous prime is 23261520556067. The next prime is 23261520556171. The reversal of 23261520556101 is 10165502516232.

It is not a de Polignac number, because 23261520556101 - 2⁶ = 23261520556037 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 23261520556101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23261520556171) 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, 10968486 + ... + 12916296.

It is an arithmetic number, because the mean of its divisors is an integer number (1943400205820).

Almost surely, 2^{23261520556101} is an apocalyptic number.

It is an amenable number.

23261520556101 is a deficient number, since it is larger than the sum of its proper divisors (7832882737019).

23261520556101 is a wasteful number, since it uses less digits than its factorization.

23261520556101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957956.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 23261520556101 in words is "twenty-three trillion, two hundred sixty-one billion, five hundred twenty million, five hundred fifty-six thousand, one hundred one".