123470777219 has 2 divisors, whose sum is σ = 123470777220. Its totient is φ = 123470777218.

The previous prime is 123470777191. The next prime is 123470777239. The reversal of 123470777219 is 912777074321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123470777219 is a prime.

It is a super-2 number, since 2×123470777219² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123470777239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61735388609 + 61735388610.

It is an arithmetic number, because the mean of its divisors is an integer number (61735388610).

Almost surely, 2^123470777219 is an apocalyptic number.

123470777219 is a deficient number, since it is larger than the sum of its proper divisors (1).

123470777219 is an equidigital number, since it uses as much as digits as its factorization.

123470777219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1037232, while the sum is 50.

The spelling of 123470777219 in words is "one hundred twenty-three billion, four hundred seventy million, seven hundred seventy-seven thousand, two hundred nineteen".