1023608431 has 4 divisors (see below), whose sum is σ = 1024711200. Its totient is φ = 1022505664.

The previous prime is 1023608407. The next prime is 1023608449. The reversal of 1023608431 is 1348063201.

1023608431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1023608431 - 2¹¹ = 1023606383 is a prime.

It is a super-2 number, since 2×1023608431² = 2095548440028563522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1023608431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023608461) 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, 549991 + ... + 551848.

It is an arithmetic number, because the mean of its divisors is an integer number (256177800).

Almost surely, 2^1023608431 is an apocalyptic number.

1023608431 is a deficient number, since it is larger than the sum of its proper divisors (1102769).

1023608431 is an equidigital number, since it uses as much as digits as its factorization.

1023608431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102768.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1023608431 is about 31993.8811493698. The cubic root of 1023608431 is about 1007.8083480089.

The spelling of 1023608431 in words is "one billion, twenty-three million, six hundred eight thousand, four hundred thirty-one".