23061103621 has 4 divisors (see below), whose sum is σ = 23194404972. Its totient is φ = 22927802272.

The previous prime is 23061103607. The next prime is 23061103649. The reversal of 23061103621 is 12630116032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20479041025 + 2582062596 = 143105^2 + 50814^2 .

It is a cyclic number.

It is not a de Polignac number, because 23061103621 - 2⁵ = 23061103589 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 (23061103651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66650416 + ... + 66650761.

It is an arithmetic number, because the mean of its divisors is an integer number (5798601243).

Almost surely, 2^23061103621 is an apocalyptic number.

It is an amenable number.

23061103621 is a deficient number, since it is larger than the sum of its proper divisors (133301351).

23061103621 is a wasteful number, since it uses less digits than its factorization.

23061103621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133301350.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 23061103621 its reverse (12630116032), we get a palindrome (35691219653).

The spelling of 23061103621 in words is "twenty-three billion, sixty-one million, one hundred three thousand, six hundred twenty-one".