1011433123 has 2 divisors, whose sum is σ = 1011433124. Its totient is φ = 1011433122.

The previous prime is 1011433097. The next prime is 1011433153. The reversal of 1011433123 is 3213341101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011433123 - 2²⁵ = 977878691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1011433123.

It is not a weakly prime, because it can be changed into another prime (1011433153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505716561 + 505716562.

It is an arithmetic number, because the mean of its divisors is an integer number (505716562).

Almost surely, 2^1011433123 is an apocalyptic number.

1011433123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011433123 is an equidigital number, since it uses as much as digits as its factorization.

1011433123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1011433123 is about 31803.0363801949. The cubic root of 1011433123 is about 1003.7966085220.

Adding to 1011433123 its reverse (3213341101), we get a palindrome (4224774224).

The spelling of 1011433123 in words is "one billion, eleven million, four hundred thirty-three thousand, one hundred twenty-three".