10123456799 has 2 divisors, whose sum is σ = 10123456800. Its totient is φ = 10123456798.

The previous prime is 10123456757. The next prime is 10123456841. The reversal of 10123456799 is 99765432101.

It is a balanced prime because it is at equal distance from previous prime (10123456757) and next prime (10123456841).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10123456799 is a prime.

It is a super-2 number, since 2×10123456799² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10123456099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061728399 + 5061728400.

It is an arithmetic number, because the mean of its divisors is an integer number (5061728400).

Almost surely, 2^10123456799 is an apocalyptic number.

10123456799 is a deficient number, since it is larger than the sum of its proper divisors (1).

10123456799 is an equidigital number, since it uses as much as digits as its factorization.

10123456799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 10123456799 in words is "ten billion, one hundred twenty-three million, four hundred fifty-six thousand, seven hundred ninety-nine".