1012199523 has 8 divisors (see below), whose sum is σ = 1349779728. Its totient is φ = 674709504.

The previous prime is 1012199497. The next prime is 1012199527. The reversal of 1012199523 is 3259912101.

1012199523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1012199523 - 2²⁵ = 978645091 is a prime.

It is a super-2 number, since 2×1012199523² = 2049095748722855058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012199527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10611 + ... + 46227.

It is an arithmetic number, because the mean of its divisors is an integer number (168722466).

Almost surely, 2^1012199523 is an apocalyptic number.

1012199523 is a deficient number, since it is larger than the sum of its proper divisors (337580205).

1012199523 is an equidigital number, since it uses as much as digits as its factorization.

1012199523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45093.

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 1012199523 is about 31815.0832625030. The cubic root of 1012199523 is about 1004.0500823549.

The spelling of 1012199523 in words is "one billion, twelve million, one hundred ninety-nine thousand, five hundred twenty-three".