1123685706426 has 16 divisors (see below), whose sum is σ = 2252490715200. Its totient is φ = 373708685088.

The previous prime is 1123685706413. The next prime is 1123685706427. The reversal of 1123685706426 is 6246075863211.

It is not an unprimeable number, because it can be changed into a prime (1123685706427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213301411 + ... + 213306678.

It is an arithmetic number, because the mean of its divisors is an integer number (140780669700).

Almost surely, 2^{1123685706426} is an apocalyptic number.

1123685706426 is an abundant number, since it is smaller than the sum of its proper divisors (1128805008774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123685706426 is a wasteful number, since it uses less digits than its factorization.

1123685706426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426608533.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 1123685706426 in words is "one trillion, one hundred twenty-three billion, six hundred eighty-five million, seven hundred six thousand, four hundred twenty-six".