123800288743 has 2 divisors, whose sum is σ = 123800288744. Its totient is φ = 123800288742.

The previous prime is 123800288723. The next prime is 123800288779. The reversal of 123800288743 is 347882008321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123800288743 is a prime.

It is a super-2 number, since 2×123800288743² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123800288693 and 123800288702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123800288723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61900144371 + 61900144372.

It is an arithmetic number, because the mean of its divisors is an integer number (61900144372).

Almost surely, 2^123800288743 is an apocalyptic number.

123800288743 is a deficient number, since it is larger than the sum of its proper divisors (1).

123800288743 is an equidigital number, since it uses as much as digits as its factorization.

123800288743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 516096, while the sum is 46.

The spelling of 123800288743 in words is "one hundred twenty-three billion, eight hundred million, two hundred eighty-eight thousand, seven hundred forty-three".