1023465878 has 4 divisors (see below), whose sum is σ = 1535198820. Its totient is φ = 511732938.

The previous prime is 1023465851. The next prime is 1023465889. The reversal of 1023465878 is 8785643201.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255866468 + ... + 255866471.

It is an arithmetic number, because the mean of its divisors is an integer number (383799705).

Almost surely, 2^1023465878 is an apocalyptic number.

1023465878 is a deficient number, since it is larger than the sum of its proper divisors (511732942).

1023465878 is an equidigital number, since it uses as much as digits as its factorization.

1023465878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511732941.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 1023465878 is about 31991.6532551852. The cubic root of 1023465878 is about 1007.7615616374.

The spelling of 1023465878 in words is "one billion, twenty-three million, four hundred sixty-five thousand, eight hundred seventy-eight".