1101213023 has 2 divisors, whose sum is σ = 1101213024. Its totient is φ = 1101213022.

The previous prime is 1101213019. The next prime is 1101213049. The reversal of 1101213023 is 3203121011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1101213023 - 2² = 1101213019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101212989 and 1101213007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101213073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550606511 + 550606512.

It is an arithmetic number, because the mean of its divisors is an integer number (550606512).

Almost surely, 2^1101213023 is an apocalyptic number.

1101213023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101213023 is an equidigital number, since it uses as much as digits as its factorization.

1101213023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1101213023 is about 33184.5298746268. The cubic root of 1101213023 is about 1032.6594244032.

Adding to 1101213023 its reverse (3203121011), we get a palindrome (4304334034).

The spelling of 1101213023 in words is "one billion, one hundred one million, two hundred thirteen thousand, twenty-three".