1026495823 has 4 divisors (see below), whose sum is σ = 1027041120. Its totient is φ = 1025950528.

The previous prime is 1026495817. The next prime is 1026495859. The reversal of 1026495823 is 3285946201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3285946201 = 17 ⋅193290953.

It is a cyclic number.

It is not a de Polignac number, because 1026495823 - 2⁵ = 1026495791 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 (1026495863) 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, 269815 + ... + 273592.

It is an arithmetic number, because the mean of its divisors is an integer number (256760280).

Almost surely, 2^1026495823 is an apocalyptic number.

1026495823 is a deficient number, since it is larger than the sum of its proper divisors (545297).

1026495823 is an equidigital number, since it uses as much as digits as its factorization.

1026495823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545296.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 1026495823 is about 32038.9735010346. The cubic root of 1026495823 is about 1008.7550661218.

The spelling of 1026495823 in words is "one billion, twenty-six million, four hundred ninety-five thousand, eight hundred twenty-three".