1023403494 has 8 divisors (see below), whose sum is σ = 2046807000. Its totient is φ = 341134496.

The previous prime is 1023403489. The next prime is 1023403543. The reversal of 1023403494 is 4943043201.

It is a sphenic number, since it is the product of 3 distinct primes.

1023403494 is an admirable number.

It is a super-3 number, since 3×1023403494³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85283619 + ... + 85283630.

It is an arithmetic number, because the mean of its divisors is an integer number (255850875).

Almost surely, 2^1023403494 is an apocalyptic number.

1023403494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1023403494 is a wasteful number, since it uses less digits than its factorization.

1023403494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170567254.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1023403494 is about 31990.6782360112. The cubic root of 1023403494 is about 1007.7410856332.

Adding to 1023403494 its reverse (4943043201), we get a palindrome (5966446695).

The spelling of 1023403494 in words is "one billion, twenty-three million, four hundred three thousand, four hundred ninety-four".