123000445319 has 2 divisors, whose sum is σ = 123000445320. Its totient is φ = 123000445318.

The previous prime is 123000445313. The next prime is 123000445361. The reversal of 123000445319 is 913544000321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123000445319 is a prime.

It is a super-2 number, since 2×123000445319² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123000445313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61500222659 + 61500222660.

It is an arithmetic number, because the mean of its divisors is an integer number (61500222660).

Almost surely, 2^123000445319 is an apocalyptic number.

123000445319 is a deficient number, since it is larger than the sum of its proper divisors (1).

123000445319 is an equidigital number, since it uses as much as digits as its factorization.

123000445319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 123000445319 in words is "one hundred twenty-three billion, four hundred forty-five thousand, three hundred nineteen".