104223131 has 2 divisors, whose sum is σ = 104223132. Its totient is φ = 104223130.

The previous prime is 104223121. The next prime is 104223149. The reversal of 104223131 is 131322401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104223131 is a prime.

It is a super-2 number, since 2×104223131² = 21724922070886322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104223121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52111565 + 52111566.

It is an arithmetic number, because the mean of its divisors is an integer number (52111566).

Almost surely, 2^104223131 is an apocalyptic number.

104223131 is a deficient number, since it is larger than the sum of its proper divisors (1).

104223131 is an equidigital number, since it uses as much as digits as its factorization.

104223131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 104223131 is about 10208.9730629481. The cubic root of 104223131 is about 470.6030150392.

Adding to 104223131 its reverse (131322401), we get a palindrome (235545532).

The spelling of 104223131 in words is "one hundred four million, two hundred twenty-three thousand, one hundred thirty-one".