7706440123 has 4 divisors (see below), whose sum is σ = 7707335328. Its totient is φ = 7705544920.

The previous prime is 7706440003. The next prime is 7706440127. The reversal of 7706440123 is 3210446077.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3210446077 = 11071 ⋅289987.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7706440123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7706440127) 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, 434563 + ... + 451948.

It is an arithmetic number, because the mean of its divisors is an integer number (1926833832).

Almost surely, 2^7706440123 is an apocalyptic number.

7706440123 is a deficient number, since it is larger than the sum of its proper divisors (895205).

7706440123 is an equidigital number, since it uses as much as digits as its factorization.

7706440123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895204.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 7706440123 is about 87786.3322106579. The cubic root of 7706440123 is about 1975.2311963925.

The spelling of 7706440123 in words is "seven billion, seven hundred six million, four hundred forty thousand, one hundred twenty-three".