123419971 has 2 divisors, whose sum is σ = 123419972. Its totient is φ = 123419970.

The previous prime is 123419957. The next prime is 123419993. The reversal of 123419971 is 179914321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123419971 - 2¹¹ = 123417923 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123419971.

It is not a weakly prime, because it can be changed into another prime (123419951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61709985 + 61709986.

It is an arithmetic number, because the mean of its divisors is an integer number (61709986).

Almost surely, 2^123419971 is an apocalyptic number.

123419971 is a deficient number, since it is larger than the sum of its proper divisors (1).

123419971 is an equidigital number, since it uses as much as digits as its factorization.

123419971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 37.

The square root of 123419971 is about 11109.4541270037. The cubic root of 123419971 is about 497.8843553885.

The spelling of 123419971 in words is "one hundred twenty-three million, four hundred nineteen thousand, nine hundred seventy-one".