123277074799 has 4 divisors (see below), whose sum is σ = 123412396320. Its totient is φ = 123141753280.

The previous prime is 123277074787. The next prime is 123277074839. The reversal of 123277074799 is 997470772321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 997470772321 = 17 ⋅58674751313.

It is a cyclic number.

It is not a de Polignac number, because 123277074799 - 2⁹ = 123277074287 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 (123277074749) 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, 67659394 + ... + 67661215.

It is an arithmetic number, because the mean of its divisors is an integer number (30853099080).

Almost surely, 2^123277074799 is an apocalyptic number.

123277074799 is a deficient number, since it is larger than the sum of its proper divisors (135321521).

123277074799 is an equidigital number, since it uses as much as digits as its factorization.

123277074799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135321520.

The product of its (nonzero) digits is 9335088, while the sum is 58.

The spelling of 123277074799 in words is "one hundred twenty-three billion, two hundred seventy-seven million, seventy-four thousand, seven hundred ninety-nine".