1023431704 has 8 divisors (see below), whose sum is σ = 1918934460. Its totient is φ = 511715848.

The previous prime is 1023431693. The next prime is 1023431707. The reversal of 1023431704 is 4071343201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×1023431704³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023431707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63964474 + ... + 63964489.

Almost surely, 2^1023431704 is an apocalyptic number.

It is an amenable number.

1023431704 is a deficient number, since it is larger than the sum of its proper divisors (895502756).

1023431704 is a wasteful number, since it uses less digits than its factorization.

1023431704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127928969 (or 127928965 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 1023431704 is about 31991.1191426621. The cubic root of 1023431704 is about 1007.7503449707.

Adding to 1023431704 its reverse (4071343201), we get a palindrome (5094774905).

The spelling of 1023431704 in words is "one billion, twenty-three million, four hundred thirty-one thousand, seven hundred four".