123470725277 has 6 divisors (see below), whose sum is σ = 123693105018. Its totient is φ = 123248744624.

The previous prime is 123470725271. The next prime is 123470725283. The reversal of 123470725277 is 772527074321.

It is an interprime number because it is at equal distance from previous prime (123470725271) and next prime (123470725283).

It can be written as a sum of positive squares in 3 ways, for example, as 18767356036 + 104703369241 = 136994^2 + 323579^2 .

It is not a de Polignac number, because 123470725277 - 2²² = 123466530973 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 (123470725271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111263 + ... + 509235.

It is an arithmetic number, because the mean of its divisors is an integer number (20615517503).

Almost surely, 2^123470725277 is an apocalyptic number.

It is an amenable number.

123470725277 is a deficient number, since it is larger than the sum of its proper divisors (222379741).

123470725277 is an frugal number, since it uses more digits than its factorization.

123470725277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399087 (or 398530 counting only the distinct ones).

The product of its (nonzero) digits is 1152480, while the sum is 47.

Adding to 123470725277 its reverse (772527074321), we get a palindrome (895997799598).

The spelling of 123470725277 in words is "one hundred twenty-three billion, four hundred seventy million, seven hundred twenty-five thousand, two hundred seventy-seven".