123077245407 has 4 divisors (see below), whose sum is σ = 164102993880. Its totient is φ = 82051496936.

The previous prime is 123077245397. The next prime is 123077245411. The reversal of 123077245407 is 704542770321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123077245407 - 2⁷ = 123077245279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123077245807) 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, 20512874232 + ... + 20512874237.

It is an arithmetic number, because the mean of its divisors is an integer number (41025748470).

Almost surely, 2^123077245407 is an apocalyptic number.

123077245407 is a deficient number, since it is larger than the sum of its proper divisors (41025748473).

123077245407 is an equidigital number, since it uses as much as digits as its factorization.

123077245407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41025748472.

The product of its (nonzero) digits is 329280, while the sum is 42.

The spelling of 123077245407 in words is "one hundred twenty-three billion, seventy-seven million, two hundred forty-five thousand, four hundred seven".