1051013023 has 4 divisors (see below), whose sum is σ = 1051472880. Its totient is φ = 1050553168.

The previous prime is 1051013003. The next prime is 1051013059. The reversal of 1051013023 is 3203101501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3203101501 = 16229 ⋅197369.

It is a cyclic number.

It is not a de Polignac number, because 1051013023 - 2⁹ = 1051012511 is a prime.

It is a super-2 number, since 2×1051013023² = 2209256749031197058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1051012988 and 1051013006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051013003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226483 + ... + 231076.

It is an arithmetic number, because the mean of its divisors is an integer number (262868220).

Almost surely, 2^1051013023 is an apocalyptic number.

1051013023 is a deficient number, since it is larger than the sum of its proper divisors (459857).

1051013023 is an equidigital number, since it uses as much as digits as its factorization.

1051013023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459856.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1051013023 is about 32419.3310079033. The cubic root of 1051013023 is about 1016.7231193353.

Adding to 1051013023 its reverse (3203101501), we get a palindrome (4254114524).

The spelling of 1051013023 in words is "one billion, fifty-one million, thirteen thousand, twenty-three".