1010123011 has 16 divisors (see below), whose sum is σ = 1083600000. Its totient is φ = 938748096.

The previous prime is 1010122999. The next prime is 1010123029. The reversal of 1010123011 is 1103210101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010123011 is a prime.

It is a super-4 number, since 4×1010123011⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010123071) 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, 962415 + ... + 963463.

It is an arithmetic number, because the mean of its divisors is an integer number (67725000).

Almost surely, 2^1010123011 is an apocalyptic number.

1010123011 is a deficient number, since it is larger than the sum of its proper divisors (73476989).

1010123011 is a wasteful number, since it uses less digits than its factorization.

1010123011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1010123011 is about 31782.4324273646. The cubic root of 1010123011 is about 1003.3630144554.

Adding to 1010123011 its reverse (1103210101), we get a palindrome (2113333112).

The spelling of 1010123011 in words is "one billion, ten million, one hundred twenty-three thousand, eleven".