10011311123 has 8 divisors (see below), whose sum is σ = 10930645440. Its totient is φ = 9093512680.

The previous prime is 10011311113. The next prime is 10011311137. The reversal of 10011311123 is 32111311001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10011311123 - 2¹⁴ = 10011294739 is a prime.

It is a super-2 number, since 2×10011311123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10011311098 and 10011311107.

It is not an unprimeable number, because it can be changed into a prime (10011311113) 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, 370313 + ... + 396426.

It is an arithmetic number, because the mean of its divisors is an integer number (1366330680).

Almost surely, 2^10011311123 is an apocalyptic number.

10011311123 is a deficient number, since it is larger than the sum of its proper divisors (919334317).

10011311123 is a wasteful number, since it uses less digits than its factorization.

10011311123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767937.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 10011311123 its reverse (32111311001), we get a palindrome (42122622124).

The spelling of 10011311123 in words is "ten billion, eleven million, three hundred eleven thousand, one hundred twenty-three".