1211412343023 has 12 divisors (see below), whose sum is σ = 1750409621688. Its totient is φ = 807335093520.

The previous prime is 1211412343019. The next prime is 1211412343133. The reversal of 1211412343023 is 3203432141121.

1211412343023 is a `hidden beast` number, since 1 + 211 + 4 + 12 + 3 + 430 + 2 + 3 = 666.

It is not a de Polignac number, because 1211412343023 - 2² = 1211412343019 is a prime.

It is a super-3 number, since 3×1211412343023³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211412341023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22733173 + ... + 22786398.

It is an arithmetic number, because the mean of its divisors is an integer number (145867468474).

Almost surely, 2^{1211412343023} is an apocalyptic number.

1211412343023 is a deficient number, since it is larger than the sum of its proper divisors (538997278665).

1211412343023 is a wasteful number, since it uses less digits than its factorization.

1211412343023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45522534 (or 45522531 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1211412343023 its reverse (3203432141121), we get a palindrome (4414844484144).

The spelling of 1211412343023 in words is "one trillion, two hundred eleven billion, four hundred twelve million, three hundred forty-three thousand, twenty-three".