10123456790 has 32 divisors (see below), whose sum is σ = 18515002464. Its totient is φ = 3984456960.

The previous prime is 10123456757. The next prime is 10123456799. The reversal of 10123456790 is 9765432101.

10123456790 is a modest number, since divided by 123456790 gives 10 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123456799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622442 + ... + 638498.

It is an arithmetic number, because the mean of its divisors is an integer number (578593827).

Almost surely, 2^10123456790 is an apocalyptic number.

10123456790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10123456790 is a deficient number, since it is larger than the sum of its proper divisors (8391545674).

10123456790 is a wasteful number, since it uses less digits than its factorization.

10123456790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17072.

The product of its (nonzero) digits is 45360, while the sum is 38.

Adding to 10123456790 its reverse (9765432101), we get a palindrome (19888888891).

The spelling of 10123456790 in words is "ten billion, one hundred twenty-three million, four hundred fifty-six thousand, seven hundred ninety".