10123342440 has 32 divisors (see below), whose sum is σ = 30370027680. Its totient is φ = 2699557952.

The previous prime is 10123342403. The next prime is 10123342441. The reversal of 10123342440 is 4424332101.

It is a super-3 number, since 3×10123342440³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 10123342440.

It is not an unprimeable number, because it can be changed into a prime (10123342441) 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, 42180474 + ... + 42180713.

It is an arithmetic number, because the mean of its divisors is an integer number (949063365).

Almost surely, 2^10123342440 is an apocalyptic number.

10123342440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10123342440 is an abundant number, since it is smaller than the sum of its proper divisors (20246685240).

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

10123342440 is a wasteful number, since it uses less digits than its factorization.

10123342440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84361201 (or 84361197 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 10123342440 its reverse (4424332101), we get a palindrome (14547674541).

The spelling of 10123342440 in words is "ten billion, one hundred twenty-three million, three hundred forty-two thousand, four hundred forty".