123203015219 has 2 divisors, whose sum is σ = 123203015220. Its totient is φ = 123203015218.

The previous prime is 123203015147. The next prime is 123203015239. The reversal of 123203015219 is 912510302321.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (912510302321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123203015219 - 2¹² = 123203011123 is a prime.

It is a super-2 number, since 2×123203015219² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123203015191 and 123203015200.

It is not a weakly prime, because it can be changed into another prime (123203015239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61601507609 + 61601507610.

It is an arithmetic number, because the mean of its divisors is an integer number (61601507610).

Almost surely, 2^123203015219 is an apocalyptic number.

123203015219 is a deficient number, since it is larger than the sum of its proper divisors (1).

123203015219 is an equidigital number, since it uses as much as digits as its factorization.

123203015219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The spelling of 123203015219 in words is "one hundred twenty-three billion, two hundred three million, fifteen thousand, two hundred nineteen".