123607276245 has 24 divisors (see below), whose sum is σ = 214554857400. Its totient is φ = 65830882176.

The previous prime is 123607276237. The next prime is 123607276253. The reversal of 123607276245 is 542672706321.

123607276245 is a `hidden beast` number, since 12 + 3 + 6 + 0 + 7 + 2 + 7 + 624 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (123607276237) and next prime (123607276253).

It can be written as a sum of positive squares in 4 ways, for example, as 14909142609 + 108698133636 = 122103^2 + 329694^2 .

It is not a de Polignac number, because 123607276245 - 2³ = 123607276237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 123607276245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1905210 + ... + 1969019.

It is an arithmetic number, because the mean of its divisors is an integer number (8939785725).

Almost surely, 2^123607276245 is an apocalyptic number.

123607276245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123607276245 is a deficient number, since it is larger than the sum of its proper divisors (90947581155).

123607276245 is a wasteful number, since it uses less digits than its factorization.

123607276245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3874949 (or 3874946 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 123607276245 in words is "one hundred twenty-three billion, six hundred seven million, two hundred seventy-six thousand, two hundred forty-five".