123419797 has 4 divisors (see below), whose sum is σ = 125158176. Its totient is φ = 121681420.

The previous prime is 123419789. The next prime is 123419809. The reversal of 123419797 is 797914321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123419797 - 2³ = 123419789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123419707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 869083 + ... + 869224.

It is an arithmetic number, because the mean of its divisors is an integer number (31289544).

Almost surely, 2^123419797 is an apocalyptic number.

It is an amenable number.

123419797 is a deficient number, since it is larger than the sum of its proper divisors (1738379).

123419797 is an equidigital number, since it uses as much as digits as its factorization.

123419797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738378.

The product of its digits is 95256, while the sum is 43.

The square root of 123419797 is about 11109.4462958331. The cubic root of 123419797 is about 497.8841214125.

The spelling of 123419797 in words is "one hundred twenty-three million, four hundred nineteen thousand, seven hundred ninety-seven".