1012230123 has 12 divisors (see below), whose sum is σ = 1397787768. Its totient is φ = 651548800.

The previous prime is 1012230113. The next prime is 1012230169. The reversal of 1012230123 is 3210322101.

It is not a de Polignac number, because 1012230123 - 2⁵ = 1012230091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012230113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198078 + ... + 203123.

It is an arithmetic number, because the mean of its divisors is an integer number (116482314).

Almost surely, 2^1012230123 is an apocalyptic number.

1012230123 is a deficient number, since it is larger than the sum of its proper divisors (385557645).

1012230123 is an equidigital number, since it uses as much as digits as its factorization.

1012230123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401262 (or 401233 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1012230123 is about 31815.5641628433. The cubic root of 1012230123 is about 1004.0602001305.

Adding to 1012230123 its reverse (3210322101), we get a palindrome (4222552224).

The spelling of 1012230123 in words is "one billion, twelve million, two hundred thirty thousand, one hundred twenty-three".