1023430514 has 4 divisors (see below), whose sum is σ = 1535145774. Its totient is φ = 511715256.

The previous prime is 1023430511. The next prime is 1023430547. The reversal of 1023430514 is 4150343201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4150343201 = 14347 ⋅289283.

It can be written as a sum of positive squares in only one way, i.e., 972379489 + 51051025 = 31183^2 + 7145^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1023430514.

It is not an unprimeable number, because it can be changed into a prime (1023430511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255857627 + ... + 255857630.

Almost surely, 2^1023430514 is an apocalyptic number.

1023430514 is a deficient number, since it is larger than the sum of its proper divisors (511715260).

1023430514 is an equidigital number, since it uses as much as digits as its factorization.

1023430514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511715259.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1023430514 is about 31991.1005437450. The cubic root of 1023430514 is about 1007.7499543817.

Adding to 1023430514 its reverse (4150343201), we get a palindrome (5173773715).

The spelling of 1023430514 in words is "one billion, twenty-three million, four hundred thirty thousand, five hundred fourteen".