10223123142 has 16 divisors (see below), whose sum is σ = 20451404592. Its totient is φ = 3406848000.

The previous prime is 10223123137. The next prime is 10223123143. The reversal of 10223123142 is 24132132201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10223123143) 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, 188923 + ... + 236934.

It is an arithmetic number, because the mean of its divisors is an integer number (1278212787).

Almost surely, 2^10223123142 is an apocalyptic number.

10223123142 is an abundant number, since it is smaller than the sum of its proper divisors (10228281450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10223123142 is a wasteful number, since it uses less digits than its factorization.

10223123142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429863.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 10223123142 its reverse (24132132201), we get a palindrome (34355255343).

The spelling of 10223123142 in words is "ten billion, two hundred twenty-three million, one hundred twenty-three thousand, one hundred forty-two".