1023012340 has 48 divisors (see below), whose sum is σ = 2507484672. Its totient is φ = 343282176.

The previous prime is 1023012337. The next prime is 1023012373. The reversal of 1023012340 is 432103201.

It is a happy number.

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, 71157 + ... + 84316.

It is an arithmetic number, because the mean of its divisors is an integer number (52239264).

Almost surely, 2^1023012340 is an apocalyptic number.

1023012340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023012340 is an abundant number, since it is smaller than the sum of its proper divisors (1484472332).

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

1023012340 is a wasteful number, since it uses less digits than its factorization.

1023012340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155536 (or 155534 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1023012340 is about 31984.5640895730. The cubic root of 1023012340 is about 1007.6126800436.

Adding to 1023012340 its reverse (432103201), we get a palindrome (1455115541).

The spelling of 1023012340 in words is "one billion, twenty-three million, twelve thousand, three hundred forty".