123401520119 has 2 divisors, whose sum is σ = 123401520120. Its totient is φ = 123401520118.

The previous prime is 123401520097. The next prime is 123401520211. The reversal of 123401520119 is 911025104321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123401520119 - 2⁸ = 123401519863 is a prime.

It is a super-2 number, since 2×123401520119² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123401520091 and 123401520100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123401528119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61700760059 + 61700760060.

It is an arithmetic number, because the mean of its divisors is an integer number (61700760060).

Almost surely, 2^123401520119 is an apocalyptic number.

123401520119 is a deficient number, since it is larger than the sum of its proper divisors (1).

123401520119 is an equidigital number, since it uses as much as digits as its factorization.

123401520119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 123401520119 in words is "one hundred twenty-three billion, four hundred one million, five hundred twenty thousand, one hundred nineteen".