1240334023 has 2 divisors, whose sum is σ = 1240334024. Its totient is φ = 1240334022.

The previous prime is 1240333967. The next prime is 1240334047. The reversal of 1240334023 is 3204330421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1240334023 - 2²⁵ = 1206779591 is a prime.

It is a super-2 number, since 2×1240334023² = 3076856977222729058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1240333985 and 1240334003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1240334423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620167011 + 620167012.

It is an arithmetic number, because the mean of its divisors is an integer number (620167012).

Almost surely, 2^1240334023 is an apocalyptic number.

1240334023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240334023 is an equidigital number, since it uses as much as digits as its factorization.

1240334023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1240334023 is about 35218.3762118585. The cubic root of 1240334023 is about 1074.4335282670.

Adding to 1240334023 its reverse (3204330421), we get a palindrome (4444664444).

The spelling of 1240334023 in words is "one billion, two hundred forty million, three hundred thirty-four thousand, twenty-three".