1011412023123 has 16 divisors (see below), whose sum is σ = 1368230904320. Its totient is φ = 664466553504.

The previous prime is 1011412023103. The next prime is 1011412023137. The reversal of 1011412023123 is 3213202141101.

It is not a de Polignac number, because 1011412023123 - 2¹² = 1011412019027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011412023123.

It is not an unprimeable number, because it can be changed into a prime (1011412023103) 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, 3955936 + ... + 4203837.

It is an arithmetic number, because the mean of its divisors is an integer number (85514431520).

Almost surely, 2^{1011412023123} is an apocalyptic number.

1011412023123 is a deficient number, since it is larger than the sum of its proper divisors (356818881197).

1011412023123 is an equidigital number, since it uses as much as digits as its factorization.

1011412023123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8160378.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1011412023123 its reverse (3213202141101), we get a palindrome (4224614164224).

The spelling of 1011412023123 in words is "one trillion, eleven billion, four hundred twelve million, twenty-three thousand, one hundred twenty-three".