1023540311 has 2 divisors, whose sum is σ = 1023540312. Its totient is φ = 1023540310.

The previous prime is 1023540269. The next prime is 1023540347. The reversal of 1023540311 is 1130453201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1023540311 - 2⁶ = 1023540247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023540211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511770155 + 511770156.

It is an arithmetic number, because the mean of its divisors is an integer number (511770156).

Almost surely, 2^1023540311 is an apocalyptic number.

1023540311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023540311 is an equidigital number, since it uses as much as digits as its factorization.

1023540311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1023540311 is about 31992.8165530952. The cubic root of 1023540311 is about 1007.7859913390.

Adding to 1023540311 its reverse (1130453201), we get a palindrome (2153993512).

The spelling of 1023540311 in words is "one billion, twenty-three million, five hundred forty thousand, three hundred eleven".