1023383904 has 96 divisors (see below), whose sum is σ = 2783563776. Its totient is φ = 328872960.

The previous prime is 1023383897. The next prime is 1023383917. The reversal of 1023383904 is 4093833201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1023383904² = 2094629229932562432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1091724 + ... + 1092660.

It is an arithmetic number, because the mean of its divisors is an integer number (28995456).

Almost surely, 2^1023383904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023383904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1391781888).

1023383904 is an abundant number, since it is smaller than the sum of its proper divisors (1760179872).

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

1023383904 is a wasteful number, since it uses less digits than its factorization.

1023383904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348 (or 1340 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 1023383904 is about 31990.3720516033. The cubic root of 1023383904 is about 1007.7346555289.

The spelling of 1023383904 in words is "one billion, twenty-three million, three hundred eighty-three thousand, nine hundred four".