1023431242 has 8 divisors (see below), whose sum is σ = 1536397632. Its totient is φ = 511298700.

The previous prime is 1023431239. The next prime is 1023431249. The reversal of 1023431242 is 2421343201.

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

It is not an unprimeable number, because it can be changed into a prime (1023431249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205384 + ... + 210307.

It is an arithmetic number, because the mean of its divisors is an integer number (192049704).

Almost surely, 2^1023431242 is an apocalyptic number.

1023431242 is a deficient number, since it is larger than the sum of its proper divisors (512966390).

1023431242 is a wasteful number, since it uses less digits than its factorization.

1023431242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416924.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1023431242 is about 31991.1119219073. Note that the first 3 decimals coincide. The cubic root of 1023431242 is about 1007.7501933303.

Adding to 1023431242 its reverse (2421343201), we get a palindrome (3444774443).

The spelling of 1023431242 in words is "one billion, twenty-three million, four hundred thirty-one thousand, two hundred forty-two".