10123111230 has 32 divisors (see below), whose sum is σ = 24353481600. Its totient is φ = 2693050272.

The previous prime is 10123111211. The next prime is 10123111241. The reversal of 10123111230 is 3211132101.

It is a happy number.

It is a super-2 number, since 2×10123111230² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 390100 + ... + 415239.

It is an arithmetic number, because the mean of its divisors is an integer number (761046300).

Almost surely, 2^10123111230 is an apocalyptic number.

10123111230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10123111230 is an abundant number, since it is smaller than the sum of its proper divisors (14230370370).

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

10123111230 is a wasteful number, since it uses less digits than its factorization.

10123111230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805768.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10123111230 its reverse (3211132101), we get a palindrome (13334243331).

The spelling of 10123111230 in words is "ten billion, one hundred twenty-three million, one hundred eleven thousand, two hundred thirty".