23131201102 has 4 divisors (see below), whose sum is σ = 34696801656. Its totient is φ = 11565600550.

The previous prime is 23131201099. The next prime is 23131201109. The reversal of 23131201102 is 20110213132.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131201109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5782800274 + ... + 5782800277.

It is an arithmetic number, because the mean of its divisors is an integer number (8674200414).

Almost surely, 2^23131201102 is an apocalyptic number.

23131201102 is a deficient number, since it is larger than the sum of its proper divisors (11565600554).

23131201102 is a wasteful number, since it uses less digits than its factorization.

23131201102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11565600553.

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

Adding to 23131201102 its reverse (20110213132), we get a palindrome (43241414234).

The spelling of 23131201102 in words is "twenty-three billion, one hundred thirty-one million, two hundred one thousand, one hundred two".