1023262431 has 16 divisors (see below), whose sum is σ = 1382952960. Its totient is φ = 672890400.

The previous prime is 1023262421. The next prime is 1023262447. The reversal of 1023262431 is 1342623201.

It is not a de Polignac number, because 1023262431 - 2¹¹ = 1023260383 is a prime.

It is a super-2 number, since 2×1023262431² = 2094132005392059522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023262421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461281 + ... + 463493.

It is an arithmetic number, because the mean of its divisors is an integer number (86434560).

Almost surely, 2^1023262431 is an apocalyptic number.

1023262431 is a deficient number, since it is larger than the sum of its proper divisors (359690529).

1023262431 is a wasteful number, since it uses less digits than its factorization.

1023262431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1023262431 is about 31988.4734084013. The cubic root of 1023262431 is about 1007.6947821262.

Adding to 1023262431 its reverse (1342623201), we get a palindrome (2365885632).

The spelling of 1023262431 in words is "one billion, twenty-three million, two hundred sixty-two thousand, four hundred thirty-one".