146623502213 has 2 divisors, whose sum is σ = 146623502214. Its totient is φ = 146623502212.

The previous prime is 146623502197. The next prime is 146623502239. The reversal of 146623502213 is 312205326641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146610878404 + 12623809 = 382898^2 + 3553^2 .

It is a cyclic number.

It is not a de Polignac number, because 146623502213 - 2⁴ = 146623502197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146623502513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73311751106 + 73311751107.

It is an arithmetic number, because the mean of its divisors is an integer number (73311751107).

Almost surely, 2^146623502213 is an apocalyptic number.

It is an amenable number.

146623502213 is a deficient number, since it is larger than the sum of its proper divisors (1).

146623502213 is an equidigital number, since it uses as much as digits as its factorization.

146623502213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 146623502213 its reverse (312205326641), we get a palindrome (458828828854).

The spelling of 146623502213 in words is "one hundred forty-six billion, six hundred twenty-three million, five hundred two thousand, two hundred thirteen".