123277773397 has 12 divisors (see below), whose sum is σ = 130123387200. Its totient is φ = 116775269352.

The previous prime is 123277773391. The next prime is 123277773407. The reversal of 123277773397 is 793377772321.

It is a happy number.

It is not a de Polignac number, because 123277773397 - 2²⁷ = 123143555669 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 (123277773391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4063828 + ... + 4094050.

It is an arithmetic number, because the mean of its divisors is an integer number (10843615600).

Almost surely, 2^123277773397 is an apocalyptic number.

It is an amenable number.

123277773397 is a deficient number, since it is larger than the sum of its proper divisors (6845613803).

123277773397 is a wasteful number, since it uses less digits than its factorization.

123277773397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41560 (or 41541 counting only the distinct ones).

The product of its digits is 16336404, while the sum is 58.

The spelling of 123277773397 in words is "one hundred twenty-three billion, two hundred seventy-seven million, seven hundred seventy-three thousand, three hundred ninety-seven".