1023072435 has 48 divisors (see below), whose sum is σ = 2210906880. Its totient is φ = 425171520.

The previous prime is 1023072431. The next prime is 1023072437. The reversal of 1023072435 is 5342703201.

It is not a de Polignac number, because 1023072435 - 2² = 1023072431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1023072399 and 1023072408.

It is not an unprimeable number, because it can be changed into a prime (1023072431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 144165 + ... + 151094.

It is an arithmetic number, because the mean of its divisors is an integer number (46060560).

Almost surely, 2^1023072435 is an apocalyptic number.

1023072435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1023072435 is an abundant number, since it is smaller than the sum of its proper divisors (1187834445).

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

1023072435 is a wasteful number, since it uses less digits than its factorization.

1023072435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295288 (or 295285 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 1023072435 is about 31985.5035133105. The cubic root of 1023072435 is about 1007.6324097823.

Adding to 1023072435 its reverse (5342703201), we get a palindrome (6365775636).

The spelling of 1023072435 in words is "one billion, twenty-three million, seventy-two thousand, four hundred thirty-five".