123465140357 has 8 divisors (see below), whose sum is σ = 137547371640. Its totient is φ = 110037896640.

The previous prime is 123465140327. The next prime is 123465140371. The reversal of 123465140357 is 753041564321.

It can be written as a sum of positive squares in 4 ways, for example, as 26765287201 + 96699853156 = 163601^2 + 310966^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123465140357 - 2²⁴ = 123448363141 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 (123465140327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163746494 + ... + 163747247.

It is an arithmetic number, because the mean of its divisors is an integer number (17193421455).

Almost surely, 2^123465140357 is an apocalyptic number.

It is an amenable number.

123465140357 is a deficient number, since it is larger than the sum of its proper divisors (14082231283).

123465140357 is a wasteful number, since it uses less digits than its factorization.

123465140357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327493783.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 123465140357 in words is "one hundred twenty-three billion, four hundred sixty-five million, one hundred forty thousand, three hundred fifty-seven".