1152143212123 has 2 divisors, whose sum is σ = 1152143212124. Its totient is φ = 1152143212122.

The previous prime is 1152143212111. The next prime is 1152143212183. The reversal of 1152143212123 is 3212123412511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1152143212123 - 2²⁵ = 1152109657691 is a prime.

It is a super-2 number, since 2×1152143212123² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1152143212091 and 1152143212100.

It is not a weakly prime, because it can be changed into another prime (1152143212183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576071606061 + 576071606062.

It is an arithmetic number, because the mean of its divisors is an integer number (576071606062).

Almost surely, 2^{1152143212123} is an apocalyptic number.

1152143212123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152143212123 is an equidigital number, since it uses as much as digits as its factorization.

1152143212123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 28.

Adding to 1152143212123 its reverse (3212123412511), we get a palindrome (4364266624634).

The spelling of 1152143212123 in words is "one trillion, one hundred fifty-two billion, one hundred forty-three million, two hundred twelve thousand, one hundred twenty-three".