1023240431 has 8 divisors (see below), whose sum is σ = 1047271680. Its totient is φ = 999303448.

The previous prime is 1023240389. The next prime is 1023240461. The reversal of 1023240431 is 1340423201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1023240431 - 2¹⁰ = 1023239407 is a prime.

It is a super-2 number, since 2×1023240431² = 2094041959266131522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023240461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1361 + ... + 45258.

It is an arithmetic number, because the mean of its divisors is an integer number (130908960).

Almost surely, 2^1023240431 is an apocalyptic number.

1023240431 is a deficient number, since it is larger than the sum of its proper divisors (24031249).

1023240431 is an equidigital number, since it uses as much as digits as its factorization.

1023240431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47133.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1023240431 is about 31988.1295326876. The cubic root of 1023240431 is about 1007.6875603085.

Adding to 1023240431 its reverse (1340423201), we get a palindrome (2363663632).

The spelling of 1023240431 in words is "one billion, twenty-three million, two hundred forty thousand, four hundred thirty-one".