1023674399 has 6 divisors (see below), whose sum is σ = 1125195960. Its totient is φ = 930612980.

The previous prime is 1023674387. The next prime is 1023674413. The reversal of 1023674399 is 9934763201.

It is not a de Polignac number, because 1023674399 - 2²⁰ = 1022625823 is a prime.

It is a super-2 number, since 2×1023674399² = 2095818550336022402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023674339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4229939 + ... + 4230180.

It is an arithmetic number, because the mean of its divisors is an integer number (187532660).

Almost surely, 2^1023674399 is an apocalyptic number.

1023674399 is a deficient number, since it is larger than the sum of its proper divisors (101521561).

1023674399 is an equidigital number, since it uses as much as digits as its factorization.

1023674399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8460141 (or 8460130 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 1023674399 is about 31994.9120798917. The cubic root of 1023674399 is about 1007.8299974571.

The spelling of 1023674399 in words is "one billion, twenty-three million, six hundred seventy-four thousand, three hundred ninety-nine".