23103132321231 has 8 divisors (see below), whose sum is σ = 34226862698160. Its totient is φ = 15402088214136.

The previous prime is 23103132321223. The next prime is 23103132321239. The reversal of 23103132321231 is 13212323130132.

23103132321231 is a `hidden beast` number, since 2 + 3 + 1 + 0 + 313 + 2 + 321 + 23 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (23103132321223) and next prime (23103132321239).

It is not a de Polignac number, because 23103132321231 - 2³ = 23103132321223 is a prime.

It is a super-2 number, since 2×23103132321231² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 855671567453 = 23103132321231 / (2 + 3 + 1 + 0 + 3 + 1 + 3 + 2 + 3 + 2 + 1 + 2 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 23103132321195 and 23103132321204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23103132321239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427835783700 + ... + 427835783753.

It is an arithmetic number, because the mean of its divisors is an integer number (4278357837270).

Almost surely, 2^{23103132321231} is an apocalyptic number.

23103132321231 is a deficient number, since it is larger than the sum of its proper divisors (11123730376929).

23103132321231 is an equidigital number, since it uses as much as digits as its factorization.

23103132321231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855671567462 (or 855671567456 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 23103132321231 its reverse (13212323130132), we get a palindrome (36315455451363).

The spelling of 23103132321231 in words is "twenty-three trillion, one hundred three billion, one hundred thirty-two million, three hundred twenty-one thousand, two hundred thirty-one".