1023683134 has 4 divisors (see below), whose sum is σ = 1535524704. Its totient is φ = 511841566.

The previous prime is 1023683131. The next prime is 1023683173. The reversal of 1023683134 is 4313863201.

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

It is a junction number, because it is equal to n+sod(n) for n = 1023683096 and 1023683105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023683131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255920782 + ... + 255920785.

It is an arithmetic number, because the mean of its divisors is an integer number (383881176).

Almost surely, 2^1023683134 is an apocalyptic number.

1023683134 is a deficient number, since it is larger than the sum of its proper divisors (511841570).

1023683134 is an equidigital number, since it uses as much as digits as its factorization.

1023683134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511841569.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1023683134 is about 31995.0485856796. The cubic root of 1023683134 is about 1007.8328640489.

The spelling of 1023683134 in words is "one billion, twenty-three million, six hundred eighty-three thousand, one hundred thirty-four".