1023134394 has 16 divisors (see below), whose sum is σ = 2046582720. Its totient is φ = 340992480.

The previous prime is 1023134339. The next prime is 1023134407. The reversal of 1023134394 is 4934313201.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67059 + ... + 80889.

It is an arithmetic number, because the mean of its divisors is an integer number (127911420).

Almost surely, 2^1023134394 is an apocalyptic number.

1023134394 is an abundant number, since it is smaller than the sum of its proper divisors (1023448326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023134394 is a wasteful number, since it uses less digits than its factorization.

1023134394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26165.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 1023134394 is about 31986.4720467888. The cubic root of 1023134394 is about 1007.6527506803.

Adding to 1023134394 its reverse (4934313201), we get a palindrome (5957447595).

The spelling of 1023134394 in words is "one billion, twenty-three million, one hundred thirty-four thousand, three hundred ninety-four".