1012023013 has 4 divisors (see below), whose sum is σ = 1021481280. Its totient is φ = 1002564748.

The previous prime is 1012022983. The next prime is 1012023029. The reversal of 1012023013 is 3103202101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3103202101 = 29 ⋅107006969.

It is not a de Polignac number, because 1012023013 - 2¹³ = 1012014821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012022984 and 1012023002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012023043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4728973 + ... + 4729186.

It is an arithmetic number, because the mean of its divisors is an integer number (255370320).

Almost surely, 2^1012023013 is an apocalyptic number.

It is an amenable number.

1012023013 is a deficient number, since it is larger than the sum of its proper divisors (9458267).

1012023013 is an equidigital number, since it uses as much as digits as its factorization.

1012023013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9458266.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1012023013 is about 31812.3091428459. The cubic root of 1012023013 is about 1003.9917160023.

Adding to 1012023013 its reverse (3103202101), we get a palindrome (4115225114).

It can be divided in two parts, 10120 and 23013, that added together give a palindrome (33133).

The spelling of 1012023013 in words is "one billion, twelve million, twenty-three thousand, thirteen".