123465140371 has 2 divisors, whose sum is σ = 123465140372. Its totient is φ = 123465140370.

The previous prime is 123465140327. The next prime is 123465140399. The reversal of 123465140371 is 173041564321.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (173041564321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123465140371 - 2²⁷ = 123330922643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123465140371.

It is not a weakly prime, because it can be changed into another prime (123465140171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61732570185 + 61732570186.

It is an arithmetic number, because the mean of its divisors is an integer number (61732570186).

Almost surely, 2^123465140371 is an apocalyptic number.

123465140371 is a deficient number, since it is larger than the sum of its proper divisors (1).

123465140371 is an equidigital number, since it uses as much as digits as its factorization.

123465140371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 123465140371 in words is "one hundred twenty-three billion, four hundred sixty-five million, one hundred forty thousand, three hundred seventy-one".