10123111240 has 64 divisors (see below), whose sum is σ = 24868114560. Its totient is φ = 3678097920.

The previous prime is 10123111211. The next prime is 10123111241. The reversal of 10123111240 is 4211132101.

It is not an unprimeable number, because it can be changed into a prime (10123111241) 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, 564492 + ... + 582148.

It is an arithmetic number, because the mean of its divisors is an integer number (388564290).

Almost surely, 2^10123111240 is an apocalyptic number.

10123111240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10123111240 is an abundant number, since it is smaller than the sum of its proper divisors (14745003320).

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

10123111240 is a wasteful number, since it uses less digits than its factorization.

10123111240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18982 (or 18978 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10123111240 its reverse (4211132101), we get a palindrome (14334243341).

The spelling of 10123111240 in words is "ten billion, one hundred twenty-three million, one hundred eleven thousand, two hundred forty".