23203112101 has 4 divisors (see below), whose sum is σ = 24987966892. Its totient is φ = 21418257312.

The previous prime is 23203112081. The next prime is 23203112161. The reversal of 23203112101 is 10121130232.

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 2929623876 + 20273488225 = 54126^2 + 142385^2 .

It is a cyclic number.

It is not a de Polignac number, because 23203112101 - 2¹¹ = 23203110053 is a prime.

It is a super-2 number, since 2×23203112101² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23203112161) 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, 892427376 + ... + 892427401.

It is an arithmetic number, because the mean of its divisors is an integer number (6246991723).

Almost surely, 2^23203112101 is an apocalyptic number.

It is an amenable number.

23203112101 is a deficient number, since it is larger than the sum of its proper divisors (1784854791).

23203112101 is a wasteful number, since it uses less digits than its factorization.

23203112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784854790.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23203112101 its reverse (10121130232), we get a palindrome (33324242333).

The spelling of 23203112101 in words is "twenty-three billion, two hundred three million, one hundred twelve thousand, one hundred one".