1025310423 has 4 divisors (see below), whose sum is σ = 1367080568. Its totient is φ = 683540280.

The previous prime is 1025310413. The next prime is 1025310449. The reversal of 1025310423 is 3240135201.

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

It is not a de Polignac number, because 1025310423 - 2¹⁰ = 1025309399 is a prime.

It is a super-2 number, since 2×1025310423² = 2102522927024877858, 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 1025310423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025310413) 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, 170885068 + ... + 170885073.

It is an arithmetic number, because the mean of its divisors is an integer number (341770142).

Almost surely, 2^1025310423 is an apocalyptic number.

1025310423 is a deficient number, since it is larger than the sum of its proper divisors (341770145).

1025310423 is an equidigital number, since it uses as much as digits as its factorization.

1025310423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341770144.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1025310423 is about 32020.4688129328. The cubic root of 1025310423 is about 1008.3666122447.

Adding to 1025310423 its reverse (3240135201), we get a palindrome (4265445624).

The spelling of 1025310423 in words is "one billion, twenty-five million, three hundred ten thousand, four hundred twenty-three".