1023143340 has 48 divisors (see below), whose sum is σ = 2866237920. Its totient is φ = 272701440.

The previous prime is 1023143321. The next prime is 1023143353. The reversal of 1023143340 is 433413201.

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, 187450 + ... + 192830.

It is an arithmetic number, because the mean of its divisors is an integer number (59713290).

Almost surely, 2^1023143340 is an apocalyptic number.

1023143340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023143340 is an abundant number, since it is smaller than the sum of its proper divisors (1843094580).

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

1023143340 is a wasteful number, since it uses less digits than its factorization.

1023143340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8562 (or 8560 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1023143340 is about 31986.6118868504. The cubic root of 1023143340 is about 1007.6556875493.

Adding to 1023143340 its reverse (433413201), we get a palindrome (1456556541).

The spelling of 1023143340 in words is "one billion, twenty-three million, one hundred forty-three thousand, three hundred forty".