1025103823 has 4 divisors (see below), whose sum is σ = 1030830840. Its totient is φ = 1019376808.

The previous prime is 1025103811. The next prime is 1025103847. The reversal of 1025103823 is 3283015201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3283015201 = 101 ⋅32505101.

It is a cyclic number.

It is not a de Polignac number, because 1025103823 - 2⁹ = 1025103311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025103623) 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, 2863240 + ... + 2863597.

It is an arithmetic number, because the mean of its divisors is an integer number (257707710).

Almost surely, 2^1025103823 is an apocalyptic number.

1025103823 is a deficient number, since it is larger than the sum of its proper divisors (5727017).

1025103823 is an equidigital number, since it uses as much as digits as its factorization.

1025103823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5727016.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1025103823 is about 32017.2425889551. The cubic root of 1025103823 is about 1008.2988790874.

The spelling of 1025103823 in words is "one billion, twenty-five million, one hundred three thousand, eight hundred twenty-three".