1020023413 has 2 divisors, whose sum is σ = 1020023414. Its totient is φ = 1020023412.

The previous prime is 1020023401. The next prime is 1020023419. The reversal of 1020023413 is 3143200201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 587674564 + 432348849 = 24242^2 + 20793^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020023413 - 2²⁵ = 986468981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020023419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510011706 + 510011707.

It is an arithmetic number, because the mean of its divisors is an integer number (510011707).

Almost surely, 2^1020023413 is an apocalyptic number.

It is an amenable number.

1020023413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020023413 is an equidigital number, since it uses as much as digits as its factorization.

1020023413 is an evil number, because the sum of its binary digits is even.

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

The square root of 1020023413 is about 31937.8053879724. The cubic root of 1020023413 is about 1006.6304114808.

Adding to 1020023413 its reverse (3143200201), we get a palindrome (4163223614).

The spelling of 1020023413 in words is "one billion, twenty million, twenty-three thousand, four hundred thirteen".