1031240023 has 4 divisors (see below), whose sum is σ = 1124989128. Its totient is φ = 937490920.

The previous prime is 1031240003. The next prime is 1031240039. The reversal of 1031240023 is 3200421301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1031240023 - 2⁹ = 1031239511 is a prime.

It is a super-4 number, since 4×1031240023⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031239979 and 1031240006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031240003) 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, 46874536 + ... + 46874557.

It is an arithmetic number, because the mean of its divisors is an integer number (281247282).

Almost surely, 2^1031240023 is an apocalyptic number.

1031240023 is a deficient number, since it is larger than the sum of its proper divisors (93749105).

1031240023 is an equidigital number, since it uses as much as digits as its factorization.

1031240023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93749104.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1031240023 is about 32112.9261046078. The cubic root of 1031240023 is about 1010.3067470075.

Adding to 1031240023 its reverse (3200421301), we get a palindrome (4231661324).

The spelling of 1031240023 in words is "one billion, thirty-one million, two hundred forty thousand, twenty-three".