1011240323 has 4 divisors (see below), whose sum is σ = 1011307968. Its totient is φ = 1011172680.

The previous prime is 1011240317. The next prime is 1011240337. The reversal of 1011240323 is 3230421101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1011240323 - 2⁸ = 1011240067 is a prime.

It is a super-2 number, since 2×1011240323² = 2045213981722288658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011240623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368 + ... + 44973.

It is an arithmetic number, because the mean of its divisors is an integer number (252826992).

Almost surely, 2^1011240323 is an apocalyptic number.

1011240323 is a deficient number, since it is larger than the sum of its proper divisors (67645).

1011240323 is an equidigital number, since it uses as much as digits as its factorization.

1011240323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67644.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1011240323 is about 31800.0050786159. The cubic root of 1011240323 is about 1003.7328230279.

Adding to 1011240323 its reverse (3230421101), we get a palindrome (4241661424).

The spelling of 1011240323 in words is "one billion, eleven million, two hundred forty thousand, three hundred twenty-three".